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 ​$30​,with a standard deviation of $8.Complete parts a and b below. a. Construct a 95%confidence interval estimate for the population​ one-time gift donation   it's telling me this is incorrect , am I off in rounding?   MY ANSWER: You can be 95% confident that the population mean (μ) falls between 27.78 and 32.22.

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