The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 39 liters, and standard deviation of 8.6 liters. A) What is the probability that daily production is less than 41.8 liters? Answer= (Round your answer to 4 decimal places.) B) What is the probability that daily production is more than 58 liters? Answer= (Round your answer to 4 decimal places.) Warning: Do not use the Z Normal Tables...they may not be accurate enough since WAMAP

Q: 1. Use the formula in this example to determine the sample size, n. The estimated prevalence is…

A:

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A: Let X be the high of the Man from normal distribution with mean (μ) = 69.0 and standard deviation…

Q: The scatterplot illustrates the relationship between two quantitative variables: the number of seeds…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer 1 question at a…

Q: generating functions: a m(t) = [(1/3)e' +(2/3)]5. e' h m(t).

A: Note: According to the Bartleby guidelines expert solve only one question and rest can be reposted.

Q: n a box, the number of gold coins was 20% of the number of silver coins. Faizal added 60 more gold…

A:

Q: Companies whose stocks are listed in a stock exchange have their company name represented by either…

A: Given that  Company whose stocks are listed in a stock exchange have their company name represented…

Q: Suppose that a researcher is interested in whether an exercise improves intelligence. The researcher…

A: Given that  Sample size n =100 Population mean =100 Population standard deviation =15

Q: According to employment statistics for a big corporation, 65% of the employees are married (event…

A: Answer:- Given, 65% of the employees are married (event A),that is P(A) = 65% = 0.65 and 50% have…

Q: Heights for teenage boys and girls were calculated. The mean height for the sample of 66 boys was…

A: given data, n1=66x¯1=191s12 =75n2=55x¯2=185s22 =60equal variance assumption

Q: Does it seem to you that people tend to be absent more on some days of the week than on others?…

A: Weekday f0 fE χ2=f0-fE2fE Monday 29 28 0.036 Tuesday 18 28 3.571 Wednesday 34 28 1.286…

Q: Essay Question: 4. In a large university, statistics show that 75% of students live in dormitories.…

A: given data P(student live in dormitories) = p = 0.75sample size (n) = 5x = no. of students live in…

Q: Find the indicated confidence interval. Assume the standard error comes from a bootstrap…

A: given data n = 500p^ = 0.42SE = 0.0295% ci for p = ?

Q: Consider a normal population distribution with the value of a known. USE SALT (a) What is the…

A: Note: Since you have posted a question with multiple subparts , we will solve first three subparts…

Q: Create a Scatterplot of y against average freshman high school GPA.

A: The question is about regression  Given :   To find : Scatterplot of y ( graduation rate ) against…

Q: A random sample of 100 observations from a population with standard deviation 65 yielded a sample…

A: The question is about hypo. testing Given : Random selected no. of obs. ( n ) = 100 Popl. std.…

Q: A previous study indicated that only 20.8% of people in the US drink the USDA recommended 8–10…

A:

Q: Suppose that an airline uses a seat width of 16.1 in. Assume men have hip breadths that are normally…

A: Given: Population mean, μ=14.2 Population standard deviation, σ=1

Q: For the anchovies study, the researcher wants to test the claim that the proportion of teenagers…

A: given data, A study is planned to compare the proportion of teenagers (ages 13–19) who dislike…

Q: Week 1 Value 15 2 13 3 4 5 6 17 10 16 12 Use a = 0.2 to compute the exponential smoothing forecasts…

A:

Q: arr and Coats studied the effects of several chemicals on the growth of the German cockroach. the…

A: Given information: The data represents the values of the variables x = Percent terpineol and y =…

Q: The following three independent random samples are obtained from three normally distributed…

A: Given information for Workshop study: The sample size is n1=15. The sample standard deviation is…

Q: Ted is not particularly creative. He uses the pickup line "If I could rearrange the alphabet, I'd…

A: The random variable x is defined as the number of women ted approaches before encountering one who…

Q: Suppose that a particular candidate for public office is in fact favored by 47% of all registered…

A:

Q: Assume that utility bills (electricity, water and gas) for a certain city have normal distribution…

A: Given that.   X~N( μ , ?)   μ=165 , ?=44   Z-score =( x - μ )/?

Q: A hypothesis test produces t = 2.062 for a sample of n = 25 scores. For a two-tailed test with a =…

A: Given:  Hypothesis testing two tailed test  with test statistic t=2.062   sample size n=25  At level…

Q: The probability that a student has a Visa card (event V is.82. The probability that a student has a…

A: We have given information, The probability that a student has a Visa card, PV=0.82 The probability…

Q: A bag contains 10 red marbles, 6 blue marbles, and 4 green marbles. If two marbles are drawn at…

A: The required solution is as given in steps below.

Q: A company that makes bolts and rivets used in assembling airplanes monitors the quality of its bolts…

A: RULE : 1 = One or more points fall outside one of the charts control system   Answer : YES Two point…

Q: Consumer Research, Inc., is an independent agency that conducts research on consumer attitudes and…

A: Given Information: Consider the given dataset: Income Household size Amount Charged 54 3 4016…

Q: In the city of Milford, applications for zoning changes go through a two-step process: a review by…

A:

Q: Find the value of the probability that exactly 5 out of the ten residents recognize the brand name.…

A: We have given that n=10, p=40%=0.4, X~Binomial(n=10, p=0.4) X be the number of awareness rate in a…

Q: How do I get the ans

A: Given data :  Use the frequency histogram to complete the following parts. (a) Identify the class…

Q: Per Capita Income of Delaware Residents In a recent year, Delaware had the highest per capita annual…

A: given data  normal distribution μ = 51803σ = 4850n = 30P(x¯<49900) = ?

Q: In manufacturing company, there are three different manufacturing operation: Machining, Polishing,…

A: We have given that Number of tools for machining = 8 Number of tools for polishing = 10  Number of…

Q: The records of a computer retail store show that out of the 50 customers who purchased a desktop…

A: The question is about proportion Given : No. of customers who purchased desktop ( n1 ) = 50 No. of…

Q: Solve the problem. Scores on a test are normally distributed with a mean of 68.2 and a standard…

A:

Q: The technology underlying hip replacements has changed as these operations have become more popular…

A: Given that: Number of successes, x=11 Sample size, n=146

Q: FOUR GIRLS Find the probability that when a couple has four children, at least one of them is a…

A:

Q: There are students who must pass a placement test. The test consists of 12 multiple-choice…

A: Introduction: The test consists of 12 questions. At least 10 of those must be answered correctly to…

Q: b) Persons who visit the restroom of a certain fast-food outlet were asked to state their opinion of…

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

Q: Find the value of the test statistic. W = 79 X Find the p-value. (Round your answer to four decimal…

A: Wilcoxon-rank sum test

Q: The data in Table 3 shows the heights (in inches) and weights (in pounds) for 10 randomly selected…

A: As per our guidelines I can solve only first 3 subparts. Kindly post the remaining subparts again…

Q: Question 16: A company produces steel rods. The lengths of the steel rods are normally distributed…

A: given data, normal distributionμ=249.7σ=1.1n=18we have to find out the given probability.

Q: In one study of smokers who tried to quit smoking with nicotine patch therapy, 30 were smoking after…

A: given data,after treatment   30- smoking 65- not smoking 95- total smokers we have to find out the…

Q: How do you solve this using R or RStudio? thanks Data is found in the following link:…

A: Given data: Consumers Nonconsumers 568 705 498 819 589 706 681 509 540 613 646 582…

Q: If the standard deviation of a random variable X is 20  and a random sample of size n =17,  is​…

A: From the provided information, Standard deviation of a random variable X (σ) = 20 Sample size (n) =…

Q: Do college students enjoy playing sports more than watching sports? A researcher randomly selected…

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

Q: A production process manufactures electronic components with timing signals whose duration follows a…

A: Given that: Sample size, n=11

Q: The number of cell phones per 100 residents in countries in Europe is given in the first table. The…

A: We need to find the 95% confidence interval for the difference in the mean number of cell phones per…

Q: Find a 91 percent confidence interval for μ if X = 98.6, s = 2, and n = 5. Assume that the sample is…

A: Given:-  Sample size, n= 5 Sample mean, x¯ = 98.6 Sample standard deviation, S = 2 Significance…