Mathematics, 12.05.2021 17:20 lportis4898
PLEASE HELP ASAP TIMED TEST WILL MARK BRAINLIEST. a computer technician notes that 40% of computers fail because of the hard drive, 20% fail due to the processor, 15% of
Problems are with the keyboard, and 5% of problems are due to something else. What is the mean of the number of
computers he will work on before seeing his first computer that has failed because of the hard drive?
A: Since there are four categories, the technician can expect 4 computers until one has failed due to the hard drive.
B: Since 40% is equivalent to 2/5 it is expected that 5/2, 2.5 computers until one has failed due to the hard drive.
C: Since the highest percentage of failure is due to the hard drive, the technician can expect that the first computer will
have failed due to the hard drive. So the expected value is 1.
D: Since it is more likely that a computer has failed due to some other issue, the technician can expect the first
computer to fail due to some other issue, and the second to fail due to the hard drive. So the expected value is 2.
Answers: 1
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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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Mathematics, 22.06.2019 02:00
An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in
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Mathematics, 22.06.2019 02:30
Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20
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PLEASE HELP ASAP TIMED TEST WILL MARK BRAINLIEST. a computer technician notes that 40% of computers...
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