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The margin of error can be reduced by reducing the size of the sample. True Fals

ID: 3182322 • Letter: T

Question

The margin of error can be reduced by reducing the size of the sample. True False The binomial distribution can be approximated by the student's t-distribution when the following conditions are met m greaterthanorequalto 5 and n(1 - pi) greaterthanorequalto 5 True False The confidence interval for the mean is symmetrical around the population mean. True False The random sample of 130 mortgages in the state of Mississippi was randomly selected. From this sample 14 were found to be delinquent on their current payment. The margin of error for an 80% confidence interval for the proportion based on this sample is _________. 0.0447 0.0560 0.0622 0.0737

Explanation / Answer

The following are the correct options

5) Acual answer is False

6) False

7) True

8) first option is correct, 0.0447