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Starting salaries of 90 college graduates who have taken a statistics course have a mean of...
(1 point) Starting salaries of 110 college graduates who have taken a statistics course have a...
(1 point) Starting salaries of 110 college graduates who have taken a statistics course have a mean of $42,249. Suppose the distribution of this population is approximately normal and has a standard deviation of $10,823. Using a 93% confidence level, find both of the following: (NOTE: Do not use commas or dollar signs in your answers.) (a) The margin of error: ? (b) The confidence interval for the mean μ: ? <μ< ?
(1 point) Starting salaries of 115 college graduates who have taken a statistics course have a...
(1 point) Starting salaries of 115 college graduates who have taken a statistics course have a mean of $44,215. Suppose the distribution of this population is approximately normal and has a standard deviation of $10,288. Using a 93% confidence level, find both of the following: (NOTE: Do not use commas or dollar signs in your answers.) (a) The margin of error: equation editor Equation Editor (b) The confidence interval for the mean μ μ
starting salaries of 80 college graduates who have taken a statistics course to have a mean...
starting salaries of 80 college graduates who have taken a statistics course to have a mean of $42,778 suppose the distribution of this population is approximately normal and has a standard deviation of $ 10,769. using an 81% confidence level, find both of the following the marine of error the confidence interval for the mean u: <U<
Starting salaries of 64 college graduates who have taken a statistics course have a mean of...
Starting salaries of 64 college graduates who have taken a statistics course have a mean of $43,500 with a standard deviation of $6,800. Find a 68% confidence interval for μ.
Starting salaries of 70 college graduates who have taken a statistics course have a mean of...
Starting salaries of 70 college graduates who have taken a statistics course have a mean of $44,644. Suppose the distribution of this population is approximately normal and has a standard deviation of $9,466. Using a 93% confidence level, find both of the following: (NOTE: Do not use commas or dollar signs in your answers.) (a) The margin of error: :
Starting salaries of 64 college graduates who have taken a statistics course have a mean of...
Starting salaries of 64 college graduates who have taken a statistics course have a mean of $44,500 with a standard deviation of $6,800. Find a 99.7% confidence interval for μ. (NOTE: Do not use commas or dollar signs in your answers. Round each bound to three decimal places.) Lower bound: Upper bound:
(2 pts) Starting salaries of 140 college graduates who have taken a statistics course have a...
(2 pts) Starting salaries of 140 college graduates who have taken a statistics course have a mean of $44,102. Suppose the distribution of this population is approximately normal and has a standard deviation of $9,696. Using a 90% confidence level, find both of the following (NOTE: Do not use commas nor dollar signs in your answers.) (a) The bound on the estimate is (b) The confidence interval for the mean u
(10 points) Starting salaries of 64 college graduates who have taken a statistics course have a...
(10 points) Starting salaries of 64 college graduates who have taken a statistics course have a mean of $44,500 with a standard deviation of $6,800. Find an 90% confidence interval for u. (NOTE: Do not use commas or dollar signs in your answers. Round each bound to three decimal places.) Lower-bound: Upper-bound:
part A please (1 point) Starting salaries of 100 college graduates who have taken a statistics...
part A please
(1 point) Starting salaries of 100 college graduates who have taken a statistics course have a mean of $44,811. Suppose the distribution of this population is approximately normal and has a standard deviation of $9,895. Using a 98% confidence level, find both of the following: (NOTE: Do not use commas nor dollar signs in your answers.) (a) The margin of error: 499 (b) The confidence interval for the mean u: 42509.4 <u< 47112.6 Note: Round your answers...
Salaries of 44 college graduates who took a statistics course in college have a mean, x...
Salaries of 44 college graduates who took a statistics course in college have a mean, x overbarx, of $62,500. Assuming a standard deviation,sigmaσ of $16,804, construct a 99% confidence interval for estimating the population mean μ. $____less than<μ<less than<$____ (Round to the nearest integer as needed.)
(2 pts) Starting salaries of 140 college graduates who have taken a statistics course have a mean of $44,102. Suppose the distribution of this population is approximately normal and has a standard deviation of $9,696. Using a 90% confidence level, find both of the following (NOTE: Do not use commas nor dollar signs in your answers.) (a) The bound on the estimate is (b) The confidence interval for the mean u
(10 points) Starting salaries of 64 college graduates who have taken a statistics course have a mean of $44,500 with a standard deviation of $6,800. Find an 90% confidence interval for u. (NOTE: Do not use commas or dollar signs in your answers. Round each bound to three decimal places.) Lower-bound: Upper-bound:
part A please
(1 point) Starting salaries of 100 college graduates who have taken a statistics course have a mean of $44,811. Suppose the distribution of this population is approximately normal and has a standard deviation of $9,895. Using a 98% confidence level, find both of the following: (NOTE: Do not use commas nor dollar signs in your answers.) (a) The margin of error: 499 (b) The confidence interval for the mean u: 42509.4 <u< 47112.6 Note: Round your answers...
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