Mathematics, 22.06.2021 05:10 perlamaria01
If two events are mutually exclusive, prove that: p(A or B) = p(A) + p(B).
Answers: 2
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 22.06.2019 01:00
Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080β30 feet wide and 500β20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580β40 feet b. 5,320β5 feet c. 3,160β20 feet d. 10,640β5 feet
Answers: 3
Mathematics, 22.06.2019 01:00
The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w
Answers: 1
If two events are mutually exclusive, prove that: p(A or B) = p(A) + p(B)....
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