o*Za/2 n = E Solve the following problem in stages: According to prior research, the amount of time a medical doctor spends with patients has a standard deviation of 3.6 minutes. Further study is needed to estimate the true mean time medical doctors spend with their patients. If a researcher wants to be 96% confident that the estimate is within 1.2 minutes of the population parameter, what is the minimum sample size necessary for such findings? [COMMENTS & HINTS: Round up!] Continuing, using the appropriate software or spreadsheet function, determine the critical value, Zaɔ, rounded to the nearest thousandth? EX: #.### HINT: When computing a standard normal or score from a probability, utilize the NORM.S.INV function.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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THE ANSWER IS NOT 38 nor is it 37.961

Question 4
o*Za/2
n=
E
Solve the following problem in stages:
According to prior research, the amount of time a medical doctor spends with patients has a standard deviation of 3.6 minutes. Further study is
needed to estimate the true mean time medical doctors spend with their patients. If a researcher wants to be 96% confident that the estimate is
within 1.2 minutes of the population parameter, what is the minimum sample size necessary for such findings? [COMMENTS & HINTS: Round
up!]
Continuing, using the appropriate software or spreadsheet function, determine the critical value, Za/ɔ, rounded to the nearest thousandth?
EX: #.### HINT: When computing a standard normal or score from a probability, utilize the NORM.S.INV function.
Transcribed Image Text:Question 4 o*Za/2 n= E Solve the following problem in stages: According to prior research, the amount of time a medical doctor spends with patients has a standard deviation of 3.6 minutes. Further study is needed to estimate the true mean time medical doctors spend with their patients. If a researcher wants to be 96% confident that the estimate is within 1.2 minutes of the population parameter, what is the minimum sample size necessary for such findings? [COMMENTS & HINTS: Round up!] Continuing, using the appropriate software or spreadsheet function, determine the critical value, Za/ɔ, rounded to the nearest thousandth? EX: #.### HINT: When computing a standard normal or score from a probability, utilize the NORM.S.INV function.
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