Mathematics, 27.06.2019 21:30, jaidyn3mccoy6
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. (4 points)part b: identify the correct test and check the appropriate conditions. (6 points)
Answers: 3
Mathematics, 21.06.2019 16:30, cheergirl2854
Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?
Answers: 1
Mathematics, 22.06.2019 00:30, kelseeygee
What is the value of the discrimination for the quadratic equation 0=×2+2+×2
Answers: 2
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