Mathematics, 08.11.2019 20:31 123333333545
In a test of physical fitness, a group of men ages 65 and older from a local retirement community were told to do as many sit-ups as they could. it is known the population mean μ is 20 with σ^x-8. the scores for the men from the retirement community are given below. what is the sample mean?
24 25 10 23 18 29 47 32
19 24 20 28 21 20 27 25
a. 1.25
b. 4.00
c. 0.5
d. 2.00
Answers: 1
Mathematics, 21.06.2019 15:10, pampam49
If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.
Answers: 2
Mathematics, 21.06.2019 17:00, heysonic91
The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?
Answers: 1
Mathematics, 21.06.2019 23:30, xxaurorabluexx
Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo
Answers: 2
In a test of physical fitness, a group of men ages 65 and older from a local retirement community we...
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