Question 1 Not yet answered Points out of 1:00 F Flag question If you were constructing a 99% confidence interval of the population mean based on a sample of n = 25 where the standard deviation of the sample S= 0.05, the critical value of t will be Select one: Oa. 2.7969 Ob. 2.7874 Oc. 2.4922 Question 2 Not yet answered Points out of 1.00 P Flag question It is desired to estimate the mean total compensation of CEOs in the Service industry. Data were randomly collected from 18 CEOs and the 95% confidence interval was calculated to be ($2,181,260, $5,836,180). Which of the following interpretations is correct? Select one: a. 95% of the sampled total compensation values fell between $2,181,260 and $5,836, 180. Ob. We are 95% confident that the mean of the sampled CEOs falls in the interval $2, 181,260 to $5,836, 180. Oc. We are 95% confident that the mean total compensation of all CEOs in the Service industry falls in the interval $2,181,260 to $5,836, 180, Question 3 Not yet answered Points out of 1.00 P Flag question Holding the sample size fixed, increasing the level of confidence in a confidence interval will necessarily lead to a wider confidence interval. Select one: Oa. True Ob. False Oc. The information is insufficient Question 4 Not yet answered Points out of 1.00 P Flag question An economist is interested in studying the incomes of consumers in a particular country. The population standard deviation is known to be $1,000. A random sample of 50 individuals resulted in a mean income of $15,000. What is the upper end point in a 99% confidence interval for the average Select one: Oa. $15,052 Ob. $15,141 OC. $15,364 Question 5 Not yet answered Points out of 1.00 P Flag question An economist is interested in studying the incomes of consumers in a particular country. The population standard deviation is known to be $1,000. A random sample of 50 individuals resulted in a mean income of $15,000. What is the width of the 90% confidence interval? Select one: Oa. $465.23 Ob. $364.30 Oc. $232.60