WorksheetsProbability Test- Part 1
Total questions: 10
Worksheet time: 50mins
A bag has 4 red marbles, 3 green marbles and 2 red marbles. What is the probability of selecting a red marble?
94
93
92
95
If the probability that it will rain is .415 and the probability it will snow is .234, what is the probability it will not rain?
.415
.585
.234
.766
Given a six sided die and a fair coin, what is the probability of rolling an even number AND getting heads?
1
.75
.5
.25
An experiment is run whereby a spinner is spun around a circle with 5 equal sectors that have been marked off as shown and a fair coin is flipped. Find the probability of an odd number OR a head.
103
1011
109
51
A game wheel has 38 slots numbered 1-38, respectively. Matt places a bet on the odd numbers and Julie places a bet on the numbers 10, 11, 13, and 14. What is the probability of landing on an odd number or 10, 11, 13, or 14? (HINT: These events are NOT mutually exclusive!)
32
3819
199
3821
A basket holds 12 fruits, 5 are apples and 7 are oranges. If you take two fruits from the basket, without replacement, what is the probability that both will be apples?
335
132103
13225
365
Suppose that 30% of students take French, 80% of students take English and 60% of students take English but not French. What is the probability a student takes NEITHER class?
90%
60%
20%
10%
A suburban high school has a population of 1376 students. The number of students who participate in sports is 649. The number of students who participate in music is 433. If the probability that a student participates in either sports or music is 1376974 , what is the number of students participating in both sports and music?
.786
.078
.148
.786
In a newspaper, there is an ad for a TV on sale at a store. In a marketing survey concerning the ad, 70% percent of the people surveyed said they read the ad, 30% said they would buy the TV, and 12% said they read the ad and will buy the TV. What percent of the people read the ad or are buying the TV?
76%
88%
100%
112%
Below is a Venn diagram displaying the results of a survey in which 120 boat owners participated in. “S” represents boat owners who prefer a sail and “M” represents boat owners who prefer a motor. Find the probability, to the nearest hundredth, that a person preferred a sail OR a motor:
.12
.30
.44
.86
