A teacher chooses 4 different students to answer questions. There are 21 sophomores and 8 freshman. Find the probability of the teacher choosing 2 sophomores, then 2 freshman

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There are 2 red marbles, 3 yellow marbles, and 5 blue marbles in a bag. Determine the probability drawing a red marble from the bag. Select one:

A desk drawer contains: 4 pairs of scissors, 10 paperclips, 5 rubberbands, 6 pens, 8 pencils, and 2 highlighters. You take out two items at random 1. Find the probability of picking two paperclips 2. Find the probability you pick one paperclip and one rubber band  3. Find the probability you pick two rubber bands

Draw two cards from a deck. Find the probability of drawing an ace with draw #1, then with draw #2. Explain your answer.

In a company there are 11 executives : six women and five men . Four are selected to attend a management seminar . Find the probability that two women and two men are selected. Give your answer as a reduced fraction.

A bag of marbles contains 4 red, 3 blue, 2 green and 1 yellow marble.  Half of the red and green marbles are glass, and all of the other marbles are polished stone.  What is the probability of selecting: Add the colors together to determine how many marbles are in the bag.  This will become the right side of the answer.  Determine how many marbles exactly fit the specified criteria to find the left side.  Remember to reduce if necessary. A yellow stone marble:  Ratio: ____ : ____ A blue or green stone marble: Ratio:  _____ : _____ Two red marbles in a row without replacement: Ratio:  _____ : _____ Three glass marbles in a row with replacement:  Ratio: _____ : _____

There are 3 red balls and 2 blue balls in a bag. balls will be drawn without replacement. Find the probability of getting exactly one red ball and one blue ball.

A bag of marbles contains 4 red, 3 blue, 2 green and 1 yellow marble.  Half of the red and green marbles are glass, and all of the other marbles are polished stone.  What is the probability of selecting: Add the colors together to determine how many marbles are in the bag.  This will become the right side of the answer.  Determine how many marbles exactly fit the specified criteria to find the left side.  Remember to reduce if necessary. A yellow stone marble:  ____ : ____ A blue or green stone marble:  _____ : _____ Two red marbles in a row without replacement:  _____ : _____ Three glass marbles in a row with replacement:  _____ : _____

a city council consist of eight democrats and four republicans. if a ommittee of four people is selected, find the probability of selecting two democrats and two republicans  simplify the answer