A survey of nonprofit organizations showed that online fundraising has increased in the past year. Based on a random sam

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A Survey Of Nonprofit Organizations Showed That Online Fundraising Has Increased In The Past Year Based On A Random Sam 1 (163.05 KiB) Viewed 43 times

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 $29, with a standard deviation of $10. Complete parts a and b below. a. Construct a 90% confidence interval estimate for the population one-time gift donation. sus (Type integers or decimals rounded to two decimal places as needed.) If X=66, S=7, and n= 36, and assuming that the population is normally distributed, construct a 99% confidence interval estimate of the population mean, Click here to view page 1 of the table of critical values for the t distribution, Click here to view page 2 of the table of critical values for the t distribution. (Round to two decimal places as needed.) Sample A: 1 2 3 3 6 6 7 8 Sample B: 1 2 3 4 5 6 7 8 Full data set Construct a 95% confidence interval for the population mean for sample A. ® Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean for each of the samples below. Explain why these two samples produce different confidence intervals even though they have the same mean and range. (Type integers or decimals rounded to two decimal places as needed.) Q Search 2022-07...6.0- Screen Sh 2022-07...8.0: