An electronics manufacturer wants to estimate the mean lifespan of an electronic component to within 3 hours. How many components should they sample, if they want to be 95% confident in their interval? Assume the population standard deviation is known to be 21 hours. 10 11 O 13 O 14 18 O 19 O 120 O 121 O 122 188
An electronics manufacturer wants to estimate the mean lifespan of an electronic component to within 3 hours. How many components should they sample, if they want to be 95% confident in their interval? Assume the population standard deviation is known to be 21 hours. 10 11 O 13 O 14 18 O 19 O 120 O 121 O 122 188
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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![An electronics manufacturer wants to estimate the mean lifespan of an electronic
component to within 3 hours. How many components should they sample, if they
want to be 95% confident in their interval? Assume the population standard
deviation is known to be 21 hours.
10
O 11
O 13
14
18
19
O 120
121
O122
188](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f8ff3ba-abcf-4f56-951b-5b48557c260d%2Fe8c45df0-082a-45d1-b8ee-264a344b6018%2Fg38kz4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An electronics manufacturer wants to estimate the mean lifespan of an electronic
component to within 3 hours. How many components should they sample, if they
want to be 95% confident in their interval? Assume the population standard
deviation is known to be 21 hours.
10
O 11
O 13
14
18
19
O 120
121
O122
188
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