The average time it takes for a Conancorp unpaid intern to run fourteen stories of stairs to get their manager a coffee is 7 minutes, with a standard deviation of 0.7 minutes. If we select 4 interns at random, what is the probability that their average time will be between 6 minutes and 6.4 minutes? (a) 8.8% (b) 4.2% (c) 3.9%
The average time it takes for a Conancorp unpaid intern to run fourteen stories of stairs to get their manager a coffee is 7 minutes, with a standard deviation of 0.7 minutes. If we select 4 interns at random, what is the probability that their average time will be between 6 minutes and 6.4 minutes? (a) 8.8% (b) 4.2% (c) 3.9%
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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![3. The average time it takes for a Conancorp unpaid intern to run fourteen stories of stairs to get their
manager a coffee is 7 minutes, with a standard deviation of 0.7 minutes. If we select 4 interns at random,
what is the probability that their average time will be between 6 minutes and 6.4 minutes?
(a) 8.8%
(b) 4.2%
(c) 3.9%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc407348e-74f9-451b-8a05-2e09042d8432%2F6b0a1abd-afda-46d2-92f5-05dbf2bd49ad%2F056diu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. The average time it takes for a Conancorp unpaid intern to run fourteen stories of stairs to get their
manager a coffee is 7 minutes, with a standard deviation of 0.7 minutes. If we select 4 interns at random,
what is the probability that their average time will be between 6 minutes and 6.4 minutes?
(a) 8.8%
(b) 4.2%
(c) 3.9%
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