Mathematics, 21.02.2020 03:52 madim1275
A sprinkler system inside an officebuilding has 2 types of not-very-reliable activation devices, A1 and A2, which operate independently. In case of a fire, the probability that device A1operates correctly is .60, and the probability that A2operates correctly is .30. If a fire breaks out, find theprobability that:
a. both devices operate correctly.
b. At least one device operates correctly.
c. Exactly one device fails to operate correctly.
d. Neither device operates correctly.
e. No more than one device operates correctly.
Answers: 2
Mathematics, 21.06.2019 23:00
Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?
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Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?
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Mathematics, 22.06.2019 01:20
The bottom of a slide at the playground is 6 feet from the base of the play set. the length of the slide is 10 feet. how tall is the slide. 11.66 feet 10 feet 6 feet 8 feet
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A sprinkler system inside an officebuilding has 2 types of not-very-reliable activation devices, A1...
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