Mathematics, 29.08.2019 22:50, rousedem28381
Arestaurant chain sells 15,000 pizzas each month, and 70% of the pizzas are topped with pepperoni. of these, 2/3 also have peppers. how many pizzas have pepperoni and peppers? a. 5000 b. 7000 c. 10,000 d. 10,500
Answers: 1
Mathematics, 21.06.2019 19:40, mathman783
F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?
Answers: 1
Mathematics, 21.06.2019 20:50, brea2006
An automobile assembly line operation has a scheduled mean completion time, ΞΌ, 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
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