Sam wants to estimate the percentage of people who have a smart phone. she wants to create a 95% confidence interval which has a margin of error (or me) of at most 2%. how many people should be polled to create the confidence interval?

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal, mutualistic, or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55

Which equation below is equivalent to sin c=h/a ? a)h= sinc/a b)a=hsinc c)a=sinc/h d)h=asinc