Suppose that the 'life-time' of Disc Brake pads has a Normal distribution with a mean = 50,000 miles but with some unknown standard deviation σ. Suppose that a sample of n = 16 pads is tested for their 'life-times' yield S = 2500 as the sample estimate σ. Find the probability that the sample average X16 exceeds 49,000 miles, Pr(≥49,000) 16
Suppose that the 'life-time' of Disc Brake pads has a Normal distribution with a mean = 50,000 miles but with some unknown standard deviation σ. Suppose that a sample of n = 16 pads is tested for their 'life-times' yield S = 2500 as the sample estimate σ. Find the probability that the sample average X16 exceeds 49,000 miles, Pr(≥49,000) 16
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
Related questions
Question
Disc Brake pads has a
sample estimate σ . What is the
49,000 miles,
Pr( 49,000)=_________
![Suppose that the 'life-time' of Disc Brake pads has a Normal distribution with a
mean = 50,000 miles but with some unknown standard deviation σ. Suppose
that a sample of n = 16 pads is tested for their 'life-times' yield S = 2500 as the
sample estimate σ. Find the probability that the sample average X16 exceeds
49,000 miles,
Pr(≥49,000)
16](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6c97b77c-46c2-4d45-b33a-09d446f9742f%2Fc314c9dd-c9e9-470e-86be-7b5aeb1cf0c9%2Fbfqmdtc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Suppose that the 'life-time' of Disc Brake pads has a Normal distribution with a
mean = 50,000 miles but with some unknown standard deviation σ. Suppose
that a sample of n = 16 pads is tested for their 'life-times' yield S = 2500 as the
sample estimate σ. Find the probability that the sample average X16 exceeds
49,000 miles,
Pr(≥49,000)
16
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