Unit 7 Probability Review

Of the mechanical engineers, what is the probability that math is their favorite subject?

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

The table shows the different types of engineers and the subject they liked most. If one person is selected at random, what is the probability that they were a chemical engineer or that they liked math the most?

If one person is selected at random, what's the probability of NOT selecting a female that drives an SUV?

A jar contains 8 marbles: 3 are red and 5 are blue. What is the probability of selecting a red marble, replacing it, and then selecting another red marble?

A bag of marbles contains 11 red, 7 purple, and 8 blue marbles. If one marble is chosen at random, what is the probability that the marble is NOT blue?

What statement does the shaded region represent

• A or B
• Not A
• A and B
• Not B

What statement does the shaded region represent?

• A or B
• A and B
• A
• B

A jar contains 8 green, 4 blue, 10 red, and 2 yellow skittles. A skittle is randomly drawn, EATEN, then another is drawn, EATEN, then another is drawn.

Find the probability of selecting a blue skittle, then a green skittle, then another green skittle.

A piggy bank contains 4 quarters, 18 dimes, 10 nickels, and 8 pennies. A coin is chosen at random, NOT REPLACED, then another is chosen.

Find each probability of selecting a quarter, then a nickel.