Mathematics, 12.11.2019 03:31 brinatperez06
Alvin wants to know how much time his friends spend watching television compared to the population in
terms of the number of hours watched during a single week. he collects the data from nine of his friends.
the average time his friends spend watching television in a week is 28 hours, with a standard deviation of 9.
he knows that the population mean is 34. what is the standard error? (answer using two decimal places.)
Answers: 1
Mathematics, 21.06.2019 18:30
David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?
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Mathematics, 22.06.2019 04:00
How many revolutions will a car wheel of diameter 28 in. make over a period of half an hour if the car is traveling at 60 mi/hr? the final answer is supposedly 21,609 but i have no idea how to get that, show work : )
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Mathematics, 22.06.2019 04:50
Julius went on a volunteer trip to centralamerica and took medical supplies with him.he packed a bag with 50 pounds of supplies.he brought pieces of equipment that weighed10 pounds each and bottles of medicine thatweighed pound each prepresents thenumber of pieces of equipment he broughtand b represents the number of bottles ofmedicine he brought then the total weight canbe represented by the equation 10p+b 50.the brought 3 pieces of equipment, how manybottles of medicine did he bring?
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Mathematics, 22.06.2019 06:30
Asequence of transformations maps aabc to aa'bc. the sequence of transformations that maps abc to aa'b'c' is a reflection across the followed by a translation
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