Question
1.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%
1.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 two attempts, what is the probability of achieving......
a.exactly two successful calls? (success = reach a live person)
b. one success and one failure (in any order)?
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
8th Edition
471154962, 978-0471154969
