Please help! It due in a couple of minutes and I completely forgot how to do this. There are 5 red marbles, 6 blue marbles, 3 green marbles, 4 black marbles, and 2 yellow marbles in a bag. A marble will be drawn from the bag and replaced 100 times. What is the reasonable prediction for the number of times a green or black marble will be drawn? A:14 B:65 C:7 D:35

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

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.