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Mathematics, 25.06.2019 09:10 m10479
Gtelephone call can be classified as voice if someone is speaking, or data if there is a modem or fax transmission. based on extension observation by the telephone company, we have the following probability model: =0.=0.1. assume that data calls and voice calls occur independently of one another, and define the random variable to be the number of voice calls in a collection of phone calls. compute the following. (a) = (b) = now use the central limit theorem to estimate the following probabilities. since this is a discrete random variable, don't forget to use "continuity correction". (c) ≥138]≈ (d) ≤≤151]≈ 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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