Please help 1. In order to set rates, an insurance company is trying to estimate the number ofsick days that full time workers at a local bank take per year. Based on earlierstudies it is known that the standard deviation is 13.2 days per year.a) How large a sample must be selected if the company wants to be 95%confident that their estimate is within 2 days of the true mean? (Round Z-value to2 decimals)(b) How large a sample must be selected if the company wants to be 97%confident that their estimate is within 24 hours of the true mean? (Round Z-valueto 2 decimals)C) Many people think that a national lobby's successful fight against gun controllegislation is reflecting the will of a minority of Americans. In a sample of 3,200people, 2,250 were in favor of gun control legislation. Estimate the true mean ofall Americans who are in favor of gun control legislation using a 94% confidenceinterval. Assume the population standard deviation is 490. (Round answer to 1decimal)ctions: On

Name: Please help 1. In order to set rates, an insurance company is trying t
Uploaded: 2024-03-20T07:07:37.000Z
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Description: Please help 1. In order to set rates, an insurance company is trying to estimate the number ofsick days that full time workers at a local bank take per year. Based on earlierstudies it is known that the standard deviation is 13.2 days per year.a) How