And Or Probability

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter that is “A”? Round your answer to the nearest percent.

• 29%

• 17%

• 71%

• 96%

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 83%

• 50%

• 33%

• 16.7%

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or pink?

• 67%

• 50%

• 33%

• 16.7%

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing the letters “A” or "E" when drawing from the bowl? Simplify.

• 2/49

• 2/7

• 3/7

• 10/49

Sam is fishing in a new pond that was just stocked with 3 bluegill, 4 catfish, 7 bass, and 2 carp. What is the probability that he caught a bluegill or a carp? Simplify.

• 1/40

• 1/8

• 3/124

• 5/16

You roll a pair of number cubes (dice). Which equation represents how to find the probability of rolling a 2 and an odd number?
P(2, then odd)

• ⅙ x ½ = 1/12

• ⅙ + ½ = 2/8

•  ½ x ½ = 1/4

• ⅓ + ½ = 5/6

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students

• Picking 2 marbles from a bag without replacing the first marble

• Picking 2 crayons from a box at the same time (simultaneously) 

• Picking an earring, replacing it, then picking a 2nd earring

If a die is rolled one time, what is the probability that you get a 4?

If a die is rolled one time, what is the probability that you get a number less than 5?

• 0

If one card is pulled from a standard deck of cards,

P(diamond) = ?