Mathematics, 08.06.2020 07:57 tjiaxin8082
A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. If 40 mechanics are randomly selected, find the probability that their mean rebuild time exceeds 9.1 hours.
Answers: 1
Mathematics, 21.06.2019 14:30
Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left
Answers: 3
Mathematics, 21.06.2019 19:00
Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?
Answers: 1
Mathematics, 21.06.2019 19:30
Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)
Answers: 1
A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet C...
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