Percentage of accidents covered by insurance company

Reference no: EM13139135

A car insurance company would like to determine the proportion of accident claims covered by the company. according to a preliminary estimate 60% of the claims are covered. the preliminary n is 62. how large a sample should be taken to estimate the proportion of accident claims covered by the company if we want to be 90% confident that the sample percentage is within (+/-) 3 % of the actual percentage of the accidents covered by the insurance company?

Reference no: EM13139135

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