Mathematics, 15.07.2020 04:01 trea56
Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 78% of those who text on cell phones receive spam or unwanted messages. You randomly select 100 adults who text on cell phones.
Requried:
a. Determine whether a normal distribution can be used to approximate the binomial distribution.
b. Sketch the graph of the normal distribution with the indicated probability shaded.
c. Find the probability that the number of people who receive spam or unwanted messages is at least 83.
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Decide whether you can use the normal distribution to approximate the binomial distribution. If you...
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