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A manufacturer of a consumer electronics products expects 2% of units to fail during the warranty period. A sample of 500 independent units is tracked for warranty performance (a) What is the probability that none fail during the warranty period? (b) What is the expected number of failures during the warranty period? (c) What is the probability that more than 2 units fail during the warranty period? 0.000041 Round your answer to four decimal places (e.g. 98.7654) 10 Round your answer to the nearest integer 0.9975 Round your answer to four decimal places (e.g. 98.7654)

math   Statistics-And-Probability   
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et x denores he number of unit fi dun the warynny perio d Heve HoHal number of unihs in he sam ple is 500 babiity of しİng, of a rando mly selected unir Given ha the manufachuve 2 of aul unis o fail duni pemod.The pmf of xis 500- 50 0 0 02 Re quived prrobabiuih 50 0 500-0 (0.02) (0.98) 00004 0.(After undig to 4 decimal Laces リ 7h e ex-f e cted nurn ben of fata ves pen o d e n50 0 0 0 2) (0 ) 9 8 02) (0 98) 500 -t 2 500-2 (0.02) Lo-98) - O 0 0 25 09975

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