Ameasure of the average value of a random variable is called a(n):
a. variance
b...
Mathematics, 30.12.2019 23:31 morganruhl2
Ameasure of the average value of a random variable is called a(n):
a. variance
b. standard deviation
c. expected value
d. coefficient of variation
Answers: 3
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Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.
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How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?
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