There are 9 cherry cokes, 3 diet cokes, and 4 coke zeros in a cooler. what is the proabiliyt of selecting a drink and getting a cherry coke, then a coke zero, without replacement?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

According to the data set, where should the upper quartile line of the box plot be placed?

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?