QUESTION 12 What sample size should be used in a study conducted to estimate the average monthly absences of students in a certain school so that the estimation will be within 0.175 and at 99% confidence, given that the population variance of monthly absences is 1.96? O 107 O 166 O 425 O664

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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O94.88%
QUESTION 12
What sample size should be used in a study conducted to estimate the average monthly absences of students in a certain school so that the estimation will
be within 0.175 and at 99% confidence, given that the population variance of monthly absences is 1.96?
O 107
O 166
O 425
O664
QUESTION 13
Inotrical resistors having a mean resistance of 50 ohms and a standard deviation of 4 ohms. Assuming that the resistance follows
a of resistors will have a resistance exceeding 56 ohms?
Transcribed Image Text:O94.88% QUESTION 12 What sample size should be used in a study conducted to estimate the average monthly absences of students in a certain school so that the estimation will be within 0.175 and at 99% confidence, given that the population variance of monthly absences is 1.96? O 107 O 166 O 425 O664 QUESTION 13 Inotrical resistors having a mean resistance of 50 ohms and a standard deviation of 4 ohms. Assuming that the resistance follows a of resistors will have a resistance exceeding 56 ohms?
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