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For each of the following random sample of size n is taken fromanticism a normal distribution with mean and variance sigma^2. The sample mean is

For each of the following random sample of size n is taken fromanticism a normal distribution with mean and variance sigma^2. The sample mean is x. Test the hypothesis stated at the significant level.

N=65, xbar=100, Ho:mean 99.2, H1:meanest equal to, significant level 5%

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