Let p be the proportion of female students who are female at LSU. a. If you have no preliminary estimate for p, how large a sample is needed to be 95% confident that a point estimate will be within 0.09 from p?  b. If we use the point estimate that approximately 59% of college students are female, how large a sample

Q: Let p be the population proportion for the following condition. Find the point estimates for p and…

A:

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: a. Level of significance The level of significance is defined as the probability of rejecting a null…

Q: Please help, thank you!

A: a. Here, x= 3332 and n = 5805. The point estimate of the population proportion is calculated as…

Q: digits after the decimal in your calculations. Answers may vary slightly due to rounding. In a…

A: We have given that  Sample size n=726 Favorable cases x= 634 Sample proportion p^=x/n

Q: A magazine provided results from a poll of 1500 adults who were asked to identify their favorite…

A: Given that a magazine provided  results from a poll of 1500 adults who were asked to identify their…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: The objective of this question is to find the point estimate for the proportion of women shoppers…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: From the provided information, The sample size (n) = 1010 Number of shoppers who always stock up on…

Q: What percentage of your campus student body is female? Let p be the proportion of women students on…

A: Solution: Note: Hello! As you have posted 2 different questions, we are answering the first question…

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: The formula for the sample size is as follows: Here,zα/2 is the critical value at 95% confidence…

Q: In a survey of 1000 large corporations, 248 said that, given a choice between a job candidate who…

A: It is given that, x = 248 and n = 1,000.

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A:

Q: The average distance Melissa can hit a golf ball is 115 meters. After spending time with a…

A: a)   Denote μ as the true mean distance Person M can hit a gold ball.

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

Q: Golf members have a median age of 39 years and an interquartile range of 12 years. What can you…

A: Given: Median Q2=39 years Interquartile range, IQR=Q3-Q1=12 years, .......(1)

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: Solution: Let x = January  and y = April  x y d=x-y (d-d) (d-d)2 123 114 9 -1.4 1.96 139 103…

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: Given that, Sample size n=5 The difference between two paired samples is calculated using formula…

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: Given information- Margin of error, E = 7% = 0.07 Confidence level, c = 80% Since nothing is known…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: We have to find confidence interval.....

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: Given Wilderness District January(x) April(y) 1 123 95 2 132 110 3 125 108 4 64 88 5 78…

Q: A research intern would like to estimate, with 95% confidence, the true proportion of employees who…

A: Answer: From the given data, Confidence level = 95% Margin of error (E) = 5% = 0.05

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Solution: A. Let X be number of supermarket shoppers who always stock up on an item when they find…

Q: et p be the proportion of all permanent dwellings on the entire reservation that are traditional…

A: We have given that r = 5020 n = 1669 Since we know that the formula of point estimate is given by…

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: Given: B is the average January deer count for a 5-year period before the highway was built. A is…

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: Jennifer wants to estimate the percentage of parents that use cloth diapers. She asks a randomly…

A: Solution: It is given that Jennifer wants to estimate the percentage of parents that use cloth…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Given,n=1020x=270α=1-0.95=0.05α2=0.025Z0.025=1.96    (from Z-table)

Q: A sample of two hundred and fifty families showed that ninety one owned at least one car. Find an…

A:

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: From the provided information, The difference table can be obtained as: di = 14 28 11…

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A:

Q: A survey of 100 fatal accidents showed that 39 were alcohol related. Find a point estimate for p,…

A: The objective of this question is to find the point estimate for p, the population proportion of…

Q: f the student newspaper reported that 75% of students are in favor of free frozen yogurt in the…

A: given data, If the student newspaper reported that 75% of students are in favor of free frozen…

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: b) The level of significance is 0.05.

Q: Suppose a random sample of 5804 physicians in Colorado showed that 3145 provided at least some…

A:

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: The random variable peak wind gusts follow normal distribution. There are two dependent samples…

Q: Determine the point estimate. A survey of 400 non-fatal accidents showed that 152 involved the use…

A: Given that :  Sample size (n) = 400 X = 152  Point estimate ( p cap) = x / n By using this formula…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: 1000 large corporations are surveyed. 242 are in favor of non smoking candidates.

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

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…