A telephone survey uses a random digit dialing machine to call subjects. The random digit dialing machine is expected to reach a live person 15% of the time. In eight attempts, what is the probability of achieving exactly two successful calls?
What is the expected value and variance for the number of contacts in eight attempts?
What is the expected value and variance for the number of contacts in 50 attempts?
Produce the PMF and the histogram before answering the question
DATE
Question answered on Jul 22, 2018
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Solution~000495356.zip (18.37 KB)
