Probabilities in knowledge base

Review: A store sells a shirts that are either small, medium, or large. Each size comes in yellow, red, blue and green. If a person selects from these choices at random, what is the probability that they will select a large green shirt?

• 1/3

• 1/7

• 1/9

• 1/12

How many outcomes are there with tossing a coin and rolling a dice?

• 2
• 6
• 12
• 24

Which shows the sample space for flipping two coins?

• H, T
• HH, HT, TH, TT
• HH, TT
• Dime, Nickel

A basket contains 5 purple pencils and 9 brown pencils. If two pencils are picked at random one after the other without replacement, then what is the probability that both the pencils are purple?

• 9/182
• 5/182
• 2/91
• 10/91

The probability that an event happens is 0.42.  What is the probability that the event won't happen?

• -0.42
• 0
• 0.58
• 1

What is the probability that a female is chosen, given they like a Toyota? 

• .525
• .4627
• .6774
• .3143

Sandy has a bag of 30 pieces of grape gum and 25 pieces of watermelon gum. What is the probability that she will randomly pick watermelon gum?

• ¹¹/₅

• ⁶/₅

• ⁵/₆

• ⁵/₁₁

What is the probability of NOT spinning green on this spinner?

• 1/4
• 3/4
• 1/12
• 5/12

IF cloudy (0.3) AND windy (0.6) THEN it will rain. Then, how certain will your system trigger that it will rain?

• 0.3

• 0.6

• 0.15

• 0.9