A survey of nonprofit organizations showed that online fundraising increased in the past year. Based on a random sample of 56 nonprofitorganizations, the meanone-time gift donation in the past year was $75, with a standard deviation of $15.

a.

If you test the null hypothesis at the 0.05 level ofsignificance, is there evidence that the meanone-time gift donation is greater than $70?

b.

Interpret the meaning of thep-value in this problem.