15. If the random variable X is distributed through the Normal distribution with mean = µ and variance = 400, at the significance level a =5% , to test HO: µ = 60 against H1:p < 60, using a random sample of size n = 25, the value of the sample mean leads to the rejection of H0 is equal to: %3D

MATLAB: An Introduction with Applications
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15. If the random variable X
is distributed through the Normal distribution
with mean = µ and variance = 400,
at the significance level a =5% ,
to test HO: µ = 60 against H1: µ < 60,
using a random sample of size n = 25,
the value of the sample mean
leads to the rejection of H0 is equal to:
%3D
Transcribed Image Text:15. If the random variable X is distributed through the Normal distribution with mean = µ and variance = 400, at the significance level a =5% , to test HO: µ = 60 against H1: µ < 60, using a random sample of size n = 25, the value of the sample mean leads to the rejection of H0 is equal to: %3D
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