Mathematics, 25.03.2020 05:26, breashaeeboo1813
The average speed of a volleyball serve is 57 miles per hour. Natalie practiced a new technique to improve her serving speed. Her coach recorded the speed of 36 random serves during practice and found that her average speed using the new technique was 58.9 miles per hour, with a standard deviation of 2.8 miles per hour.
Part A: State the correct hypotheses if Natalie is trying to prove the new technique is an improvement over the old technique.
Part B: Identify the correct test and check the appropriate conditions.
Answers: 2
Mathematics, 21.06.2019 21:20, ladawnrowles005
Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.
Answers: 1
Mathematics, 22.06.2019 00:00, samafeggins2
Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish
Answers: 1
The average speed of a volleyball serve is 57 miles per hour. Natalie practiced a new technique to i...
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