A survey of nonprofit organizations showed that online fundraising has increased in the past year. Based on a random sample of 50 nonprofits, the mean one-time gift donation in the past year was $37, with a standard deviation of $7. Complete parts a and b below. . . . a. Construct a 95% confidence interval estimate for the population one-time gift donation. SUS (Type integers or decimals rounded to two decimal places as needed.)If X =76, 6= 14, and n = 64, construct a 99% confidence interval estimate of the population mean, H. . . . SUS (Round to two decimal places as needed.)