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Sean Michael

Sean M.

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Thuc Nguyen verified

Numerade educator

4. Newsweek performed a poll in which 500 American parents were asked the question, "Would you prefer to have your child taught by a male or female for grades K-2?" Only 40% responded that they would prefer to have their child taught by a male in grades K-2. Construct a 95% confidence interval for the poll.

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Jon Southam verified

Numerade educator

3.Given the following GPA for 4 students: 2, 3, 3, 4. Age of students are: 10, 11, 12, 15. There are 10,000 total students. Average GPA: Unknown, Standard Deviation of GPA: 0.02 and it 's No rmal . a. Find the mean and standard deviation for GPA. b. Calculate a 95% confidence interval for the populations mean GPA. c. Use Correlation formula to find r between GPA and Age. d. Find the equation of the Regression line.

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Thuc Nguyen verified

Numerade educator

Given the following GPA for 4 students: 2, 3, 3, 4. Age of students are: 10, 11, 12, 15. There are 10,000 total students. Average GPA: Unknown, Standard Deviation of GPA: 0.02 and it’s Normal. a. Find the mean and standard deviation for GPA. b. Calculate a 95% confidence interval for the populations mean GPA. c. Use Correlation formula to find r between GPA and Age. d. Find the equation of the Regression line.

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Joshua Argo verified

Numerade educator

Given the following GPA for 4 students: 2, 3, 3, 4. Age of students are: 10, 11, 12, 15. There are 10,000 total students. Average GPA: Unknown, Standard Deviation of GPA: 0.02 and i t ’s No rmal . a. Find the mean and standard deviation for GPA. b. Calculate a 95% confidence interval for the populations mean GPA. c. Use Correlation formula to find r between GPA and Age. d. Find the equation of the Regression line.

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AWAITING AN EDUCATOR

Newsweek performed a poll in which 500 American parents were asked the question, “Would you prefer to have your child taught by a male or female for grades K-2?” Only 40% responded that they would prefer to have their child taught by a male in grades K-2. Construct a 95% confidence interval for the poll.

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Prabhakar Kumar verified

Numerade educator

Each person has a 75% probability of going to the Ches Tahoe restaurant. a. You randomly select 8 people. What is the probability that 5 people will not go to the restaurant? b. You randomly select 50 people. Use normal approximation to find the probability that at least 35 people will go to the restaurant.

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Rochelle Xue verified

Numerade educator

Each person has a 75% probability of going to the Ches Tahoe restaurant. a. You randomly select 8 people. What is the probability that 5 people will not go to the restaurant? b. You randomly select 50 people. Use normal approximation to find the probability that at least 35 people will go to the restaurant.

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