Which purchase may people be required to save a small amount of money invested regularly that grows over time? college

groceries

concert tickets

bus passes

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?