Ramkin is going to flip a fair coin 1200 times
What is the best prediction for the number of times that the coin wit and heads up?
Choose 1 answer

A.)Exactly 50 times

B.)Close to 50 times but probably not exactly 50 times

C.)Exactly 600 times

D.) Close to 600 times but probably not exactly 600 times

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.

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.