Find the Probability

There are 4 blue marbles, 5 red marbles, 1 green marble and 2 black marbles in a box. Suppose you select one marble at random. What is the probability that the marble chosen is not green?

Sam rolled a number cube 50 times. A '3' appeared 10 times. Find the probability of getting numbers that are not '3'.

A coin is tossed 60 times. 27 times head appeared. Find the probability of getting heads.

A coin is tossed 60 times. 27 times head appeared. Find the probability of getting tail.

Christian Dayne drew a random set of cards from a well -shuffled deck of 52 playing cards. He recorded the suit of cards that he picked; results are shown in the table. Find the probability of selecting a red card?

What is the probability of pulling a red marble
out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?

• 1/7

• 7/20

• 7/10

• 3/10

What is the probability of flipping a coin twice and landing on tails both times? (leave answer in fraction form in lowest terms)

• 1/2

• 2/2

• 4/1

• 1/4

What is the probability of picking a green marble, keeping it, then picking another green marble? (leave answer in fraction form in lowest terms)

• 9/49

• 1/7

• 3/14

• 6/42

If you spin two times, what is the probability of landing on green both times? (leave answer in fraction form in lowest terms)

• 1/6

• 1/9

• 1/36

• 1/30

You roll a 6-sided number cube. What is the probability of rolling an even number three times in a row? (leave answer in fraction form in lowest terms)

• 3/100

• 1/8

• 1/6

• 1/2