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show work so I can follow in the textbook Please review Section 9.2. A marketing researcher wants to estimate the mean amount spent per year

show work so I can follow in the textbook

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Please review Section 9.2. A marketing researcher wants to estimate the mean amount spent per year ($) on a web site by membership member shoppers. Suppose a random sample of 130 membership member shoppers who recently made a purchase on the wet:- slte yielded a mean amount spent of $58 and a standard deviation of $55. Use technology to solve and include les andg'or screen shots. IS there evidence that the population mean amount spent per year on the web site by membership member shoppers I5 different from $52? a = 0.10 H0 : ,0 =52 Hl : p at 52 Identify the critical value(s): {Round to two decimal places as needed.) Determine the test statistic: {RDUI'Id t0 tWO decimal places as needed.) State the conclusion: Please review Section 9.3. A survey of nonprot organizations showed that online fundraising increased In the past year. Based on a random sample of 59 nonprot organizations, the mean one-time gIFt donation in the past year was $?5 with a standard deviation of $20. If you test the null hypothesis at the 0.05 level of signicance, is there evidence that the mean one-time gift donation is greater than $?0? Use technology to solve and include les andfor screen shots. or = 0.05 H0 :p S 70 Hl :p > 70 Find the test statistic: {Round to two decimal places as needed.) Find the p-value: (Round to two decimal places as needed.) State the conclusion

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