Mathematics, 17.08.2021 18:50 cody1097
Annie, a long jumper, claims that her jump distance is not equal to 19 feet, on average. Several of her teammates do not believe her, so she decides to do a hypothesis test, at a 10% significance level, to persuade them. She makes 24 jumps. The mean distance of the sample jumps is 19.5 feet. Annie knows from experience that the standard deviation for her jump distance is 1.2 feet.
Answers: 2
Mathematics, 21.06.2019 20:00
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Mathematics, 22.06.2019 03:30
Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image
Answers: 1
Annie, a long jumper, claims that her jump distance is not equal to 19 feet, on average. Several of...
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