The HR manager of an organization is bargaining to get a new dental insurance plan. He...
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The HR manager of an organization is bargaining to get a new dental insurance plan. He claims that the yearly family dental expenses of its employees does not exceed 20000 AED. A random sample of 10 employees reveals that the average family dental expenses is 20500 and the standard deviation is 600 AED. Assuming normality of the yearly family dental expenses, at which significance level a you will support the manager's claim? a=2.5% Ο α= 196 ○ a=5% α= 10% A manufacturer of golf balls claims that the company controls the weights of the golf balls accurately so that the average of the weights is not more than 45 g. A random sample of 36 golf balls yields a sample mean of 47 g and a sample standard deviation of 4 g. Find the P-value of the test. Round your answer to three decimal places. The HR manager of an organization is bargaining to get a new dental insurance plan. He claims that the yearly family dental expenses of its employees does not exceed 20000 AED. A random sample of 10 employees reveals that the average family dental expenses is 20500 and the standard deviation is 600 AED. Assuming normality of the yearly family dental expenses, at which significance level a you will support the manager's claim? a=2.5% Ο α= 196 ○ a=5% α= 10% A manufacturer of golf balls claims that the company controls the weights of the golf balls accurately so that the average of the weights is not more than 45 g. A random sample of 36 golf balls yields a sample mean of 47 g and a sample standard deviation of 4 g. Find the P-value of the test. Round your answer to three decimal places.
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Answer Here we can use ttest u Mean of yearly family dental expense The null ... View the full answer
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