Question
Consider the test Ho: u =70 versus Ha: u = 70 using a large
sample of n = 400. Assume the standard deviation is 20 the
mean = 72.5.
a) Find the test statistic
b) Find the p value
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Consider the test Ho: u =70 versus Ha: u = 70 using a large sample of n = 400. Assume the standard deviation is 20 the mean = 72.5. a) Find the test statistic b) Find the p value

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