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  3. can someone help me please!!! 5. the average h

can someone help me please!!! 5. The average household income in...

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Accounting

can someone help me please!!!
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5. The average household income in the San Jose (CA) is reported to be $75,000 per year, but the city finance manager believes that the average income is much higher due to the recent relocations of several high-tech firms to the city from the Silicon Valley. The city then commissioned a study using 5,000 residents and found that the average income is $85,000 with a =$10,000. Let =1%. H0:H1:$75,000>$75,000 H1:>$75,000 What's the critical Z-value for this test? A). +2.68 C). 2.32 C). 2.68 D). 1.96 E). +2.32 6. If the alternative hypothesis states that is not equal to $12,000, what is the rejection region for the hypothesis test? A). Left Tail B). Right Tail C). Both tails D). All of above E). None of above

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