A company installs new central-heating furnaces and has found that for 15% of all
installatio...
Business, 17.04.2020 23:28 destinywashere101
A company installs new central-heating furnaces and has found that for 15% of all
installations, a return visit is needed to make some modifications. Six installations were made
in a particular week. Assume independence of outcomes for these installations.
a. What is the probability that a return visit will be needed in all these cases?
b. What is the probability that a return visit will be needed in none of these cases?
c. What is the probability that a return visit will be needed in more than 1 of these cases?
Answers: 2
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