4. You wish to test the following claim (Ha) Ho:μ=58.4 Ha:μ*58.4 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=20 with mean 66.1 and a standard deviation of 16.4. a. What is the p-value for this sample? b. At a significance level of a=0.005 p-value from part above leads to a decision to: i. ii. iii. reject the null accept the null fail to reject the null

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