(a) Company A is an organization whose members possess IQ that are in the top 5% of population in a country. Assuming that IQ of a randomly selected citizen in that country is normally distributed with a mean of 100 and a standard deviation of 15. Find the minimum IQ needed to be a member of Company A. (b) There are 16 parking spaces for the 20 executives who own cars in a company. It is known that 80% of them will drive to office independently on a weekday. In a certain working week starting on Monday, what is the probability that the parking lot is full for the third time on Friday that week?
(a) Company A is an organization whose members possess IQ that are in the top 5% of population in a country. Assuming that IQ of a randomly selected citizen in that country is normally distributed with a mean of 100 and a standard deviation of 15. Find the minimum IQ needed to be a member of Company A. (b) There are 16 parking spaces for the 20 executives who own cars in a company. It is known that 80% of them will drive to office independently on a weekday. In a certain working week starting on Monday, what is the probability that the parking lot is full for the third time on Friday that week?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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(a) Company A is an organization whose members possess IQ that are in the top 5% of
population in a country. Assuming that IQ of a randomly selected citizen in that country is
normally distributed with a mean of 100 and a standard deviation of 15. Find the minimum
IQ needed to be a member of Company A.
(b) There are 16 parking spaces for the 20 executives who own cars in a company. It is known
that 80% of them will drive to office independently on a weekday. In a certain working
week starting on Monday, what is the probability that the parking lot is full for the third
time on Friday that week?
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