Answers: 2
Mathematics, 21.06.2019 18:20, nehaljay1883
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
Mathematics, 21.06.2019 19:30, cykopath
Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Mathematics, 21.06.2019 23:00, Nathaliasmiles
Charlie tosses five coins. what is the probability that all five coins will land tails up.
Answers: 2
How many times will 20 go into 250?...
English, 02.01.2021 03:40
Mathematics, 02.01.2021 03:40
Chemistry, 02.01.2021 03:50
Advanced Placement (AP), 02.01.2021 03:50
Biology, 02.01.2021 03:50