A random sample of 15 monthly rents for two-bedroom apartments was selected from a certain city. The mean of this sample is $636. Assume the population standard deviation is $121. A group of students think the mean rent for two-bedroom apartments is less than $650. Test their claim with a significance level of a 0.05. Use this scenario to answer questions 1-5 1) State the alternative and null hypothesis. 2) Calculate the test statistic 3) Identify the p-value. 4) Make your decision. 5) Interpret the results

Q: 2.) Solve for x and y 21 25 X y

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Q: 1.

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A: 11+5x+2=33

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Q: 3. SQ=x ; ST = 22 ; SP= 12; PR = 4x+8 X = 4. y=. X = X 20 5

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