Mathematics, 28.06.2019 21:00 proudmarinemom7186
Skee ball is a game played by rolling a wooden sphere up a ramp into a series of rings. the wooden ball has a surface area of about 531 square centimeters. what is the radius, in centimeters, of the ball? round to the nearest tenth.
Answers: 2
Mathematics, 21.06.2019 20:00
Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?
Answers: 3
Mathematics, 21.06.2019 20:50
An automobile assembly line operation has a scheduled mean completion time, μ, 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, 21.06.2019 21:00
The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?
Answers: 2
Skee ball is a game played by rolling a wooden sphere up a ramp into a series of rings. the wooden b...
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