Mathematics, 25.02.2021 22:50 madistupid
Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 69 miles per hour, with a standard
deviation of 4 miles per hour. Estimate the percent of vehicles whose speeds are between 61 miles per hour and 77 miles per hour.
(Assume the data set has a bell-shaped distribution.)
Approximately
% of vehicles travel between 61 miles per hour and 77 miles per hour.
Answers: 3
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Angles 1 and 2 are complimentary angles. angle 1 = 52 degrees. what is the measure of angle 2?
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M∠cbd=4x+52∘ m∠abc=8x−10∘\qquad m \angle abc = 8x - 10^\circm∠abc=8x−10∘ find m∠cbdm\angle cbdm∠cbd:
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Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 69 mile...
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