An operation manager at an electronics company wants to test their amplifiers. The design engineer claims...
An operation manager at an electronics company wants to test their amplifiers. The design engineer claims they have a mean output of 113113 watts with a variance of 100100.
What is the probability that the mean amplifier output would differ from the population mean by less than 2.72.7 watts in a sample of 4343 amplifiers if the claim is true? Round your answer to four decimal places.
Homework Answers
P(
<
110.3)
= P(( - 
)/(
)
< (110.3 - )/())
= P(Z < (110.3 - 113)/(10/
))
= P(Z < -1.77)
= 0.0384
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