Ineed answer to study for my math test. morita works in a florist shop and makes flower arrangements. she puts 10 flowers in each vase and 2/10 tenths of the flowers are daisies.

part a
if morita makes 4 arrangements, how many daises does she need?

part b
last weekend, morita used 10 daises to make flower arrangements. how many flowers other than daises did she use to make the arrangements? explain your reasoning.

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.

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

What is mean median mode and range?