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Mathematics, 21.06.2019 18:20
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%
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Mathematics, 21.06.2019 19:00
Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply
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Mathematics, 21.06.2019 20:30
Write an expression that represent sarahβs total pay last week.represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?
Answers: 3
Mathematics, 21.06.2019 22:30
One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?
Answers: 1
Mathematics, 25.04.2020 01:55
Mathematics, 25.04.2020 01:55
Mathematics, 25.04.2020 01:55
Mathematics, 25.04.2020 01:55
History, 25.04.2020 01:55