21% of the squirrels in Cititon Park are gray. What is the probability that, in a random sample of 256 squirrels, fewer than 55 are gray squirrels? Use a normal approximation to compute your answer. Round your answer to 4 decimal places.

21% of the squirrels in Cititon Park are gray. What is the probability that, in a random sample of 256 squirrels, fewer than 55 are gray squirrels? Use a normal approximation to compute your answer. Round your answer to 4 decimal places.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: The results of a recent survey indicate that when grilling, 59% of all households in the US use a…

A: The number of randomly selected households, The per centage of households in the US that use a gas…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.34%. A random sample of 31 of…

Q: Can you answer this for my final exam thanks Approximately 59.4% of adults have added bleach to…

A: Given,n=6p=0.594q=1-p=1-0.594=0.406X=no.of adults have added bleach to their laundry.X~Binomial (n=6…

Q: The probability of success is 0.30. If the number of trials is 12 and the number of successes is 6,…

A: Solution:

Q: An individual component has a 0.06 probability of developing a fault. Calculate the probability that…

Q: 35% of Americans get a flu shot each season. What is the probability that atleast 2 out of 5…

Q: O O O A social media survey found that 71% of parents are "friends" with their children on a certain…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: In 2019 about 45% of people watch over 3 hours of tv a week. Suppose 8 people were selected at…

A: It is given that n = 8 and p =0.45.

Q: A student takes a ten question true false quiz but did not study and randomly guesses each answer.…

A: Given: Number of questions = 10Probability of getting correct =1/2 = 0.5 (because it is a true -…

Q: 6 of the last 10 sundaes sold had nuts. Considering this data, how many of the next 5 sundaes sold…

A: The probability that sundaes sold had nuts is, Psold sundaes have nuts=610=0.6 The probability that…

Q: Below, is the sample size, pis the population proportion of successes, and Xs the number of…

Q: 0.4686 0.4686 z=? 0 z=?

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.38%. A random sample of 32 of…

Q: 3. A die was rolled 50 times. Here are the results: Roll Value vs. Frequency 2. 3 Roll Value a)…

A: a) In experiment of rolling die 50 times 5 was rolled 9 times. Therefore, P(rolling a 5) = 9/50 =…

Q: A survey of families revealed that 58% of all families eat turkey at holiday meals. 44% eat ham…

A: Given data, P(Turkey)=0.58 P(ham)=0.44 P(Turkey and ham)=0.16 P(Turkey or Ham)=?

Q: The diameters of ball bearings are Casteel Clistributed normally The mean diameter Ps 89 millimeters…

A: Pobability calculated uisng R command

Q: One of the random samples of 6 people has a sample mean of 78 kg. Does this surprise you? Provide…

A: Given that Sample size (n)=6 Population mean =70 One of the random samples of 6 people has a sample…

Q: The probability is 0.6. 10 shots, what is the probability that she makes exactly 7 of them? Round to…

A: It is given that the probability of making a shot is 0.60. Assuming that shots are independent, the…

Q: Suppose that 18% of a random sample of 2307 Miami residents said that they will donate blood in…

A: p =0.18 n = 2307

Q: The statistics department of a college found that there is a 28% chance (0.28) that a student will…

A: From the provided information, The statistics department of a college found that there is a 28%…

Q: A carnival game consists of choosing a rubber duck from a kiddie pool. If the duck has a red dot on…

A: There are 10 ducks in the pool, and 2 of them have red dots.

Q: know the answer is 0.0166. I am struggling to remember the steps to get the answer. The image is to…

Q: Find the probability of selecting three different orders from Pinky Pie’s Café. Round to four…

A: From the table total number of order is, 329+33+264+54+249+31+145+13=1118 total number of order from…

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A: Given that Number of trials n=5 Success of probability p=0.5 X~binomial (n,p)

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 12 seeds are planted,…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.18%. A random sample of 33 of…

A: The sampling distribution of the mean childhood asthma prevalence will follow normal distribution…

Q: Assume that the average home price in the U.S. is µ = $292,700 with o = $60,000. A local real estate…

A: Hypothesis: The null and alternative hypotheses are below: H0: μ=292,700H1: μ>292,700 The test…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: study indicates that 29% of singles have have tried online dating. You randomly sample 9 singles.…

A: Let X be the random variable from binomial distribution with probability (p) = 29% = 0.29 and sample…

Q: a.) How many degrees of freedom will be used for the given sample size? O 34 O 16 O 17 O 18 b.) What…

A: Here given n = sample size = 17 Sample mean = 99.1 Sample Standard deviation = 4.8

Q: Selected Technologies According to recent surveys, 60% of households have personal computers. If a…

A: It is given that sample size n is 151 and p is 0.60. If np ≥ 5 and n(1–p) ≥ 5 then it is appropriate…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.45 %. A random sample of 32 of…

A: The objective of this question is to find the probability that the mean childhood asthma prevalence…

Q: In a certain municipality, 70% of all residents are at risk of heart disease. If researchers…

A: When X~Bin(n,p) P(X=x)=nCx×px(1-p)n-x ; x=0,1,2,..,n Farmula used r!=r(r-1)(r-2)×..×3×2×1…

Q: You have a jar containing 7 black marbles, 6 green marbles, and 10 red marbles. You draw a marble at…

A: Given that, Number of black marbles = 7 Number of green marbles = 6 Number of red marbles = 10 Total…

Q: Assuming that the probability of failure for a large number of manufactured CPU chipset is 0.25.…

A: Answer is 0.091

Q: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…

A: Given that, Probability = 0.57 Sample size, n = 6

Q: d. Between 2 and 9 (including 2 and 9) of them live in poverty.

A: Given that Number of trials n=47 Success of probability p=0.10 X~binomial (n,p)

Q: Find the probability a randomly selected z-score is less than -2.1. Round your result to 4 decimal…

A: Solution: The probability that a randomly selected z-score is less than –2.1 can be obtained by…

Q: 25% of Americans get a flu shot each season. What is the probability that 2 out of 5 randomly…

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: 65% of the people in Missouri pass the driver's test on the first attempt. A group of 7 people took…

A: Introduction:If X ~ Bin (n, p), then the probability mass function of X is:p (x) = (nCx) px (1 – p)n…

Q: Can you reject the claim that the proportion of 18 to 24-year-olds living in their parents' homes…

A: Given that Sample sizes n1=248 , n2=244 Sample proportion p1^=0.515 , p2^=0.412

Q: d. What is the probability that a randomly selected giraffe will be shorter than 17.7 feet tall? e.…

A: d) We have to find P(X<17.7)

Question

Video Video

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Smith works as a welder inspector in a shipyard. He knows from keeping track of good and poor welds that 5% of all welds down for the afternoon shift will be poor. Calculate the standard error of proportion of poor welds if Smith checks 300 welds. O 0.0126 0.0016 O 0.05 O 0.95
Please walk through all steps used to appropriatly enter the data using TI-84 calculator?
(06.04 LC) A recent study states that high winds can affect the pollination rate of sunflowers. It reported that 52 of 60 sunflower plants that were shielded from high winds pollinated and 41 of 55 sunflower plants left unshielded were pollinated. Choose the 98% confidence interval that represents the difference between the proportions of shielded and unshielded sunflower plants that are pollinated. 52 41 93 ±2.326, 93 60 55 115 115 60 55 52 41 93 ±2.576, 93 1 1 60 55 115 115 60 55 52. 41 + 60 55 52 41 93 |±2.326, 93 60 55 115115 41 1- 55 52 52 41 1- 60 60 55 52 41 |±2.326|| 60 55 60 55 52 52 41 41 1- 55 1- 52 41 60 60 55 |±2.5761|- 60 55 60 55
The chances of a pine tree in a particular forest being effected by the pine beetle is 10 percent. If you randomly select 20 trees for testing, what is the probability that fewer than 2 will be infected by the pine beetle? Round your answer to three decimal places, e.g. 0.619.
In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the park 71 % of the time. Find the probability that among 11 guests surveyed exactly 3 guests like to stay at an overnight lodge in the park. P(x = 3) =
At a certain University, the chance of a student receiving financial aid is 87%. 15 students are randomly and independently chosen. Use R/Rcmdr to find the probability that at most 12 of them are receiving financial aid. ROUND YOUR FINAL ANSWER TO 3 DECIMALS. Choose the most correct (closest) answer below? a.0.6916319 b.0.1204051 c.0.1879631 d.0.3083681
find the probability of guessing at least 9 out of 14 correctly. Round inetermediate calculations and final answers to three decimal places
Kelly’s batting average is .30 (they hit 3 out of every 10 pitches). Let’s assume there are 120 pitches thrown in the first 8 games. !. There is a 70% chance they should hit at least how many pitches this season? Round down for this answer.
A basketball player estimates that he makes 58 % of the free throws he takes. If he takes 15 shots, find the probability that he makes 11 of the 15 shots. (Report answer accurate to 4 decimal places.)
34% of CSU students participate in the Statistics Games while they attend CSU. You take a random sample of 40 students. What is the probability of getting a a sample with more than 15 students who have participated in the Games? Use 2 decimal places for your z-score when finding the probability area. Give your answer to 4 decimal places.
A marketing company has randomly surveyed 210 men who watch professional sports. The men were separated according to their educational level (college degree or not) and whether they preferred the NBA or the National Football League (NFL). The results of the survey are shown to the right. Complete parts a through d. a. What is the probability that a randomly selected survey participant prefers the NFL? 0.5286 (Round to four decimal places as needed.) b. What is the probability that randomly selected survey participant has a college degree and prefers the NBA? 0.1857 (Round to four decimal places as needed.) c. Suppose a survey participant is randomly selected and you are told that he has a college degree. What is the probability that this man prefers the NFL? (Round to four decimal places as needed.) C Sports Preference NBA NFL College No College Degree 39 13 Degree 60 98
A population proportion is 0.58. Suppose a random sample of 658 items is sampled randomly from this population. what is the probability that the sample proportion is between 0.53 and 0.56? What is the probability that the sample proportion is less than 0.49?