The standard iq test is designed so that the mean is 100100 and the standard deviation is 1515 for the population of all adults. we wish to find the sample size necessary to estimate the mean iq score of statistics students. suppose we want to be 9090% confident that our sample mean is within 22 iq points of the true mean. assume then that σ=15σ=15 and determine the required sample size.

What are the critical values that correspond to a 95% confidence level and a sample size of 93? a. 65.647, 118.136 b. 59.196, 128.299 c. 57.143, 106.629 d. 69.196, 113.145

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Fixed rate mortgage offer: purchase price: $170,000 down payment ($34k): 20% term: 30 years interest rate: 4.25% property tax (yearly): $1,500 homeowner’s insurance (yearly): $1,000 use this example from a fixed-rate mortgage calculator to you answer the questions. keep the page open after you complete this question. according to the calculator, the monthly payment demarco and tanya should anticipate paying for principal and interest is $208. $877. $669. $1,200.