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Given the following information calculate the z test statistic, p-value and state whether or not to...

Given the following information calculate the z test statistic, p-value and state whether or not to reject the null hypothesis based on the significance level.

Hoμ=15,Haμ≠15

x¯=12.1,σ=1.5,n=16,α=0.10

  1. What is z
  2. What is p-value
  3. Reject the null or fail to reject the null?
Math   Statistics-And-Probability   
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TOPIC:Test for the population mean.

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