TB MC Qu. 8-68 (Algo) According to a report in USA Today... According to a report in USA Today, more and more parents are helping
TB MC Qu. 8-68 (Algo) According to a report in USA Today... According to a report in USA Today, more and more parents are helping their young adult children get homes. Suppose eight persons in a random sample of 55 young adults who recently purchased a home in Kentucky received help from their parents. You have been asked to construct a 95% confidence interval for the population proportion of all young adults in Kentucky who received help from their parents. What is the margin of error for a 95% confidence interval for the population proportion? Multiple Choice O 1.645(0.0475) O 1.645(0.0055) O 1.96(0.0475) O 1.96(0.0055)TB MC Qu. 8-53 (Static) The starting salary of business students... The starting salary of business students in a university is known to be normally distributed. A random sample of 18 business students results in a mean salary of $46,500 with a standard deviation of $10,200. Construct the 90% confidence interval for the mean starting salary of business students in this university. Multiple Choice O 46, 500 + 1.734 ( 10, 200 / V 18 ) O 46, 500 + 1.645 ( 10, 200 / V 18 ) O 46, 500 + 1.330 ( 10, 200 / V 18 ) O 46, 500 + 1.740 ( 10, 200 / V 18 )
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