ch5 Q22 The mean height of women in a country​ (ages 20−​29)is 63.8 inches. A random sample of 70 women in this age group is selected. What is the probability that the mean height for the sample is greater than 64 ​inches? Assume σ=2.59.   The probability that the mean height for the sample is greater than 64inches is

Q: Determine whether the given procedure results in a binomial distribution. If not, state the reason…

A: The question is about binomial distribution.Introduction :A procedure is said to be binomial if1 )…

Q: Determine the probability that in a sample of 100 the sample proportion is less than .75 if p = 0.80

A: Given, Sample size, n = 100 Population proportion, p =0.8 Z = p^-pp1-pn

Q: 55% of college graduates know the name of the Secretary of State for the U.S. You randomly select 5…

A: (a) Obtain the mean of the binomial distribution. The value of the mean is obtained below: Let X…

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

A:

Q: At a certain University, the chance of a student receiving financial aid is 73%. 15 students are…

A:

Q: If instead of 25, 80 male runners are selected for the study, what is the sampling error at 95%…

A: It is given that Sample size n = 80 Sample mean M = 53 Population SD = 5.5 Margin of error E = 0.8…

Q: It is found that the probability that a person has brown eyes is 61.66%. Considering a group of 412,…

A:

Q: Find the probability a randomly selected z-score is between -1.4 and 2.3.  Round your result to 4…

A: We have to find given probability

Q: The probability that an individual is​ left-handed is 0.130. In a class of 25 ​students, what is…

A:

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.09%. A random sample of 34 of…

A: From the provided information, Mean (µ) = 2.09% Standard deviation (σ) = 1.29% X~N (2.09, 1.29) Here…

Q: The probability of earning an A in gym class is 80%. There are 5 students who carpool together.

A: Approach to solving the question:To find the probability that more than 4 of the carpooling students…

Q: The probability that an individual is left-handed is 0.190. In a class of 17 students, what is the…

A: It is given that,  The probability that an individual is left-handed is 0.190  i.e. p=0.190 We have…

Q: Which z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25

A: We will find z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25 ?

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.41%. A random sample of 31 of…

A: Answer Given Mean =2.41Standard deviation =1.36

Q: Objective: Probability involving percentages Business Weekly conducted a survey of recent graduates…

A: (1) Obtain the probability that less than 90% of the 77 recent graduates have an annual salary…

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 79…

A: (a)   Determine the distribution of X.   The distribution of X is determined below as follows:

Q: Records show that the average number of email messages received per minute is 9.3. Find the…

A: given data λ=9.3 emails per minutex=no.of emails in given minuteP(X=x)=e-λ×(λ)x x!        -poisson…

Q: According to a Gallup Poll, the probablity that a Republican approves of the death penalty is 69%.…

A: The probability that Republicans approve of the death penalty is 69%.p=0.69wants to calculate…

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: The table summarizes results from 987 pedestrian deaths that were caused by autornobile accidents.…

A:

Q: One-and-One Free Throws. A basketball player is fouled in a one-and-one situation, meaning she is…

A: Given data: The given probability that the player makes the first free throw is P=0.7. a) The…

Q: The mean height of women in a country (ages 20 – 29) is 64.3 inches. A random sample of 70 women in…

A: 1) mean =  = 64.3 standard deviation =  = 2.62 n = 70  =  = 64.3 and  =  /  n = 2.62 / 70 = 0.3132…

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

A:

Q: 45% of Americans don’t know the sun is a star. The data is normally distributed.Find the probability…

A: Given data, p=45%=0.45 n=120 P(p>0.42)=?

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

A: Pobability calculated uisng R command

Q: The high temperature, in ∘C, on the first day of winter was recorded in a certain city every year…

A: Given data is,4,12,6,9,6,11sample size(n)=6

Q: 00 R The table summarizes results from 983 pedestrian deaths that were caused by automobile…

A: Driver intoxicated  Pedestrian Intoxicated Yes Pedestrian Intoxicated  No Total Yes 49 74 123…

Q: Interpret the mean. Select the correct choice below and fill in the answer box to complete your…

A: Data is given for  y and its corresponding probability We have to calculate mean and standard…

Q: Area = 0.71 Area = 0.23 3.9 4.3 4.7 5.1 5.5 Part 1 of 2 Find the proportion of seniors whose GPA is…

A: P(3.9 <X< 4.7) = 0.71 P(4.7<X<5.1) = 0.23

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.41%. A random sample of 31 of…

A: Guven:Mean (µ) = 2.41Standard deviation (σ) = 1.36Sample size (n) = 31

Q: We are interested in analyzing data related to college football. Use S to denote the team is in the…

A: Given information- We have given that the probability of team is in the S = 5.5% So, the probability…

Q: undredths place. upcakes are being randomly passed out to very student in the class. The assortment…

A: We have given that,  Carrot cake = 6 Chocolate cake = 5 Lemon = 3 Mint chocolate = 2 Birthday cake =…

Q: The probability that an individual is​ left-handed is 0.190. In a class of 27 ​students, what is…

A: From the provided information, Sample size (n) = 27 Probability that an individual is left-handed…

Q: ls. Find the mean, variance and

A: To find: 1).Mean 2).Variance 3).Standard deviation

Q: None

A: Step 1: Given informationMean = 86Variance = 9Sample size = 33 Step 2: Standard…

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: It has been reported that 48% of people text and drive. A random sample of 60 drivers is drawn. Find…

A: The z-score is calculated by using: Where,

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: NBA basketball players have a mean height of 79 inches and a standard devaiation of 3.5 inches.…

A: Solution: Let X be the height of NBA basketball player. From the given information, µ=79 inches and…

Q: he proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given that The proportion of eligible voters in the next election who will vote for the incumbent is…

Q: A fair coin was tossed three times. Let x be the number of heads. Find the mean and variance o x

A: Given Coin is tossed three times.

Q: What number correctly completes the following probability distribution for the number of boys in a…

A: There are 3 children.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.