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In the following problem, check that it is appropriate to use the normal approximation to the...

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Statistics

In the following problem, check that it is appropriate to usethe normal approximation to the binomial. Then use the normaldistribution to estimate the requested probabilities.

Do you try to pad an insurance claim to cover your deductible?About 41% of all U.S. adults will try to pad their insuranceclaims! Suppose that you are the director of an insuranceadjustment office. Your office has just received 136 insuranceclaims to be processed in the next few days. Find the followingprobabilities. (Round your answers to four decimal places.)

(a) half or more of the claims have been padded


(b) fewer than 45 of the claims have been padded


(c) from 40 to 64 of the claims have been padded


(d) more than 80 of the claims have not been padded

Answer & Explanation Solved by verified expert
3.5 Ratings (482 Votes)
If and if is large andor is close to then is approximately We use the normal distribution to estimate    See Answer
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