At 400 miles per hour, how far can an airplane fly in 2 1/2 hours?
A. 600 miles
B.800 mi...
Mathematics, 07.05.2020 02:13 MarissaHuey
At 400 miles per hour, how far can an airplane fly in 2 1/2 hours?
A. 600 miles
B.800 miles
C.650 MILES
D.1000 miles
E. None correct
Answers: 3
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The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
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