A football team consists of 20 freshman, 20 sophomores, 15 juniors, and 10 seniors. Four players are selected at random to serve as captain. Find the probability that a. All 4 are seniors. b. There is 1 each: freshman, sophomore, junior, and senior. c. There are 2 sophomores and 2 freshmen. d. At least 1 of the students is a senior.

Two cards are drawn. After the first card is drawn and recorded it is put back in the deck. Then a second card is drawn and recorded. Find the probability of: Multiple choices will be in this order: a. a six, then an ace b. A club, then a heart c. a face card, then another face card

An urn contains 3 red and 7 blue balls. Pick a ball; keep it; pick another ball.Find the probability of gettinga. exactly 2 red balls. DO NOT SIMPLIFY b. one red and one blue ball. DO NOT SIMPLIFY.c. a red ball first and a blue ball second. DO NOT SIMPLIFY

Katherine works at a grocery store and is assigned their daily duty by the shift manager in charge. When Kim is the shift manager, Katherine is assigned the cash register 85% of the time. When Sophia is the shift manager, Katherine is assigned the cash register 30% of the time. The probability that Kim is the shift manager is and the probability that Sophia is 3 the shift manager is. Determine the probability, to the nearest hundredth, that Katherine works the cash register.

A city council consists of six Democrats and six Republicans. If a committee of four people is selected, find the probability of selecting two Democrats and two Republicans. (Type a fraction. Simplify your answer.) C

Over the course of a week, an airline has 42 flights between New York and Los Angeles. Of these flights, 28 are considered to be "on-time."  If you chose a particular flight at random, what is the probability that it would not be on-time? Express your answer as a fraction. Reduce the fraction if necessary.

Solve 1a and 1c

Calculate the probability. The probability that a marble that is NOT blue is chosen from a bag with 2 red, 3 blue, 1 white, and 4 green marbles.

Wes and his friend Anderson are taking a picture with 6 other people standing in a row. Find the probability that:  a. Wes is standing at one end and Anderson at the other b. Wes and Anderson will be standing consecutively (in either order)

Suppose you have 5 red cards, 8 green cards, and 12 blue cards. The cards are well shuffled and you randomly draw one card. Find the probability of drawing a green card.