Mathematics, 02.04.2020 16:55, cduke1919
A local high school track team claims that the average time it takes a member of their team to run one mile is 6.75 minutes, with a standard deviation of 1.25 minutes. Hank, a member of the track team, ran one mile in 6.5 minutes. Given that the data is approximately normal, standardize the times and find the area under the normal curve above the standardized time.
Answers: 1
Mathematics, 21.06.2019 16:00, destinyaus14
Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.
Answers: 1
Mathematics, 21.06.2019 19:30, ashtonsilvers2003
Evaluate the expression for the given value of the variable. β£-4b-8β£+β£-1-b^2 β£+2b^3 ; b=-2
Answers: 2
Mathematics, 21.06.2019 21:30, anaemigarcia
What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14
Answers: 2
A local high school track team claims that the average time it takes a member of their team to run o...
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