5. (3 points) There are two machines operating independently for the same task. The prob- ability that the first machine

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5 3 Points There Are Two Machines Operating Independently For The Same Task The Prob Ability That The First Machine 1 (98.47 KiB) Viewed 17 times

5. (3 points) There are two machines operating independently for the same task. The prob- ability that the first machine is available when needed is 0.96. The second machine is available with probability 0.96 as well. If • x is the probability that a machine is available when needed and •y is the probability that neither machine is available when needed, then what is the value of x-y? ✓ 0.9968 O 0.9848 O 0.9646 O 0.9984 O 0.9748 0.9654 O 0.9842 O 0.9724 0.9876 O 0.9954 6. In a factory quality controls are made for each of the items on the production line. Four independent tests are applied during the quality control and the failure rates for those tests are 0.02, 0.03, 0.02 and 0.04, respectively. The items that are failing any of those tests will be rejected. (a) (2 points) For a randomly selected item what is the probability that it is rejected? O 0.11567552 O 0.20567552 ✓ 0.10567552 O 0.08567552 O 0.17567552 O 0.06567552 O 0.16567552 O 0.13567552 O 0.09567552 O 0.21567552