Pls help
No work needed
...
Answers: 3
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%
Answers: 1
Mathematics, 21.06.2019 18:30
The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125
Answers: 2
Mathematics, 21.06.2019 21:00
The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length
Answers: 2
Mathematics, 21.09.2020 05:01
Mathematics, 21.09.2020 05:01
Mathematics, 21.09.2020 05:01
History, 21.09.2020 05:01
Mathematics, 21.09.2020 05:01