please answer the question in the photo. Thank you You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals.From a random sample of 42 business days, the mean closing price of a certain stock was $110.73. Assume the population standard deviation is $10.96.The 90% confidence interval is ( ).(Round to two decimal places as needed.)The 95% confidence interval is ( . ).(Round to two decimal places as needed.)Which interval is wider? Choose the correct answer below.The 90% confidence intervalThe 95% confidence intervalInterpret the results.O A. You can be certain that the closing price of the stock was within the 90% confidence interval for approximately 38 of the 42 days, and was within the 95% confidence interval for approximately 40 of the 42 days.O B. You can be 90% confident that the population mean price of the stock is between the bounds of the 90% confidence interval, and 95%dent for the 95% interval.OC. You can be 90% confident that the population mean price of the stock is outside the bounds of the 90% confidence interval, and 95% confident for the 95% interval,O D. You can be certain that the population mean price of the stock is either between the lower bounds of the 90% and 95% confidence intervals or the upper bounds of the 90% and 95% confidence intervals.Click to select your answer(s).2)

As per our guidelines, we are allowed to answer first three sub-parts only. Thanks Given : Sample…

You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 42 business days, the mean closing price of a certain stock was $110.73. Assume the population standard deviation is $10.96, The 90% confidence interval is ( (Round to two decimal places as needed.) The 95% confidence interval is ( (Round to two decimal places as needed.) Which interval is wider? Choose the correct answer below. O The 90% confidence interval The 95% confidence interval Interpret the results

You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 42 business days, the mean closing price of a certain stock was $110.73. Assume the population standard deviation is $10.96, The 90% confidence interval is ( (Round to two decimal places as needed.) The 95% confidence interval is ( (Round to two decimal places as needed.) Which interval is wider? Choose the correct answer below. O The 90% confidence interval The 95% confidence interval Interpret the results

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

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.

Question

please answer the question in the photo. Thank you

You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals.
From a random sample of 42 business days, the mean closing price of a certain stock was $110.73. Assume the population standard deviation is $10.96.
The 90% confidence interval is ( ).
(Round to two decimal places as needed.)
The 95% confidence interval is ( . ).
(Round to two decimal places as needed.)
Which interval is wider? Choose the correct answer below.
The 90% confidence interval
The 95% confidence interval
Interpret the results.
O A. You can be certain that the closing price of the stock was within the 90% confidence interval for approximately 38 of the 42 days, and was within the 95% confidence interval for approximately 40 of the 42 days.
O B. You can be 90% confident that the population mean price of the stock is between the bounds of the 90% confidence interval, and 95%
dent for the 95% interval.
OC. You can be 90% confident that the population mean price of the stock is outside the bounds of the 90% confidence interval, and 95% confident for the 95% interval,
O D. You can be certain that the population mean price of the stock is either between the lower bounds of the 90% and 95% confidence intervals or the upper bounds of the 90% and 95% confidence intervals.
Click to select your answer(s).
2)

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