Independent Probability

There are 14 tiles with one letter from the word MATHEMATICIANS on each. Find the probability of randomly choosing the letter "M".

• 1/2

• 1/7

• 1/14

• 2/7

There are 14 tiles with one letter from the word MATHEMATICIANS on each. Find the probability of randomly choosing a vowel.

• 2/3

• 5/14

• 1/2

• 3/7

There are 14 tiles with one letter from the word MATHEMATICIANS on each. Find the probability of NOT randomly choosing the letter "S or T". P(not S or T)

• 11/14

• 3/14

• 3/7

• 4/7

There are 14 tiles with one letter from the word MATHEMATICIANS on each. You are now going to choose a letter, put it back and then choose another letter. Find the probability of choosing the letter A, and then A again.

• 3/14

• 6/14

• 9/196

• 6/196

There are 14 tiles with one letter from the word MATHEMATICIANS on each. You are now going to choose a letter, put it back and then choose another letter. Find the probability of choosing the letter M, and then the letter A.

• 3/98

• 3/196

• 2/7

• 3/14

There are 14 tiles with one letter from the word MATHEMATICIANS on each. You are now going to choose a letter, put it back and then choose another letter. Find the probability of choosing a vowel, and then NOT the letter T.

• 18/196

• 36/196

• 18/49

• 8/14

A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Without looking you reach into the bag and draw one marble. What is the probability of drawing a blue? P(blue)

• 3/5

• 7/20

• 1/4

• 2/5

A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Without looking you reach into the bag and draw one marble. What is the probability of NOT drawing a blue marble? P(not blue)

• 3/4

• 7/20

• 3/5

• 2/5

A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Without looking you reach into the bag and draw one marble. What is the probability of drawing a yellow OR blue marble? P(yellow or blue)

• 3/4

• 13/20

• 7/20

• 2/5

A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Suppose you drew one marble from the bag above, replaced it and then drew a second marble. What is the probability of drawing a green, and then a blue marble. P(green, blue)

• 4/5

• 43/400

• 15/20

• 7/50