The claim payments on a sample of ten policies are:2 3 35 5* 6 7 7* 9 10*+ indicates that the loss exceeded the policy limitUsing the Product-Limit estimator, calculate the probability that the loss on a policyexceeds 8.(A)0.20(B)0.25(C)0.30(D)0.36(E)0.40

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A First Course in Probability (10th Edition)

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Chapter1: Combinatorial Analysis

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Accrotime is a manufacturer of quartz crystal watches. Accrotime researchers have shown that the watches have an average life of 30 months before certain electronic components deteriorate, causing the watch to become unreliable. The standard deviation of watch lifetimes is 4 months, and the distribution of lifetimes is normal. (a) If Accrotime guarantees a full refund on any defective watch for 2 years after purchase, what percentage of total production will the company expect to replace? (Round your answer to two decimal places.) %(b) If Accrotime does not want to make refunds on more than 6% of the watches it makes, how long should the guarantee period be (to the nearest month)? months
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2A. X is normally distributed with a mean of 8 and standard devaition is of 0.5. Determine P(8.44(less than or equal to)X)
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The claim payments on a sample of ten policies are: 2 3 3 5 5* 6 7 7* 9 10* + indicates that the loss exceeded the policy limit Using the Product-Limit estimator, calculate the probability that the loss on a policy еxceeds 8. (A) 0.20 (В) 0.25 (C) 0.30 (D) 0.36 (E) 0.40