Mathematics
Mathematics, 25.06.2019 09:10, obalzano6817

Ntegrated circuits from a certain factory pass a particular quality test with probability 0.76. the outcomes of all tests are mutually independent. (a) what is the expected number of tests necessary to find 670 acceptable circuits? 670/0.76 (b) use the central limit theorem to estimate the probability of finding at least 670 acceptable circuits in a batch of 871 circuits. note that this is a discrete random variable, so don't forget to use "continuity correction". 1-0.7257 (c) now use the central limit theorem to calculate the minimum batch size for finding at least 670 acceptable circuits with probability 0.9 or greater. note that your answer must be an integer. 863 to insure that your answers are consistent with the z-table handout, round z-scores to 2 decimal places. also, probabilities computed via z-scores should be rounded to 4 decimal places.

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