Question 11 5 points Save Answer playing the The state lottery office claims tha

Question

Question 11 5 points Save Answer playing the The state lottery office claims that the average household income of those people playing the lottery is greater than $35,000. Assume that the distribution of household income of those people playing the lottery is normally distributed with a standard deviation of $5,500. Suppose that for a sample of 25 households, it is found that the average income was $34,243. Using = 0.04, find the critical value for the hypothesis testing. average income was $84 2gn te oy is normall distribu 1.64 t 1.88 Z- 1.75 Z-1.41 t-1.28

Explanation / Answer

The confidence value is calculated as (1-)*100 = 1-0.04=96%. The critical Z value= 1.75. to find this value: use excel function =NORMSINV(0.96)

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