Mathematics, 26.03.2020 16:32 pamelaacuna
The equation T squared = A cubed shows the relationship between a planet's orbital period, T, and the planet's mean distance from the sun, A, in astronomical units, AU. If planet Y is twice the mean distance from the sun as planet X, by what factor is the orbital period increased?
Answers: 2
Mathematics, 21.06.2019 20:50
An automobile assembly line operation has a scheduled mean completion time, ฮผ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.
Answers: 3
Mathematics, 22.06.2019 05:30
What is the solution to the system of equations? 10x+3y=8 -9x-y=-20 (11, 1) (1, 11) (โ1, 11) (11, โ1)'
Answers: 1
Mathematics, 22.06.2019 06:40
Patrick is a 19 year old with $780 annual base premium. what does his policy cost if his rating factor is 3.00?
Answers: 1
The equation T squared = A cubed shows the relationship between a planet's orbital period, T, and th...
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