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# Conduct a hypothesis test:For the past several years the mean number of people in household has been declining-A social scientist believes that in certain large &#x...

## Question

###### Conduct a hypothesis test:For the past several years the mean number of people in household has been declining-A social scientist believes that in certain large ' city; the mean number of people per household is less than 2.5. To investigare this, she takes simple random sample of 150 households in the city and finds the sample mean number of people is 2.3 with standard deviation of 15, Can you conclude that the mean numnber of people per houschold is less than 2.5? Use confidence level of

Conduct a hypothesis test: For the past several years the mean number of people in household has been declining-A social scientist believes that in certain large ' city; the mean number of people per household is less than 2.5. To investigare this, she takes simple random sample of 150 households in the city and finds the sample mean number of people is 2.3 with standard deviation of 15, Can you conclude that the mean numnber of people per houschold is less than 2.5? Use confidence level of 9900 or _01 significance. Round your anstersto decimal places_ Wbat is the p-value?

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