Question

please solve and highlight answers

A digital camcorder repair service has set a goal not to exceed an average of 5 working days from the time the unit is brough

yes

no

0 0
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Answer #1

a1)

Hence reject H0 if t > 1.796


b)
Test statistic,
t = (xbar - mu)/(s/sqrt(n))
t = (5.75 - 5)/(1.2881/sqrt(12))
t = 2.017


c1)

true

c2)

True


c3)
yes

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