(c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborn girls: n=175, x= 33.2 hg, s= 6.9 hg. The confidence level is 95%. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. ¹a/2= (Round to two decimal places as needed.) OB. Zal2 (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies.
(c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborn girls: n=175, x= 33.2 hg, s= 6.9 hg. The confidence level is 95%. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. ¹a/2= (Round to two decimal places as needed.) OB. Zal2 (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value \( t_{\alpha/2} \), (b) find the critical value \( z_{\alpha/2} \), or (c) state that neither the normal distribution nor the t distribution applies.
Here are summary statistics for randomly selected weights of newborn girls: \( n = 175 \), \( \bar{x} = 33.2 \) hg, \( s = 6.9 \) hg. The confidence level is 95%.
---
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
- \( \bigcirc \) A. \( t_{\alpha/2} = \) [Answer Box]
(Round to two decimal places as needed.)
- \( \bigcirc \) B. \( z_{\alpha/2} = \) [Answer Box]
(Round to two decimal places as needed.)
- \( \bigcirc \) C. Neither the normal distribution nor the t distribution applies.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F38d7ad60-cd84-472c-8996-4a82bb3a3198%2Fc5b8e9c7-6d2f-4566-a603-c7ff5c5f3743%2Fptp458_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value \( t_{\alpha/2} \), (b) find the critical value \( z_{\alpha/2} \), or (c) state that neither the normal distribution nor the t distribution applies.
Here are summary statistics for randomly selected weights of newborn girls: \( n = 175 \), \( \bar{x} = 33.2 \) hg, \( s = 6.9 \) hg. The confidence level is 95%.
---
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
- \( \bigcirc \) A. \( t_{\alpha/2} = \) [Answer Box]
(Round to two decimal places as needed.)
- \( \bigcirc \) B. \( z_{\alpha/2} = \) [Answer Box]
(Round to two decimal places as needed.)
- \( \bigcirc \) C. Neither the normal distribution nor the t distribution applies.
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