Probability Question Preview (ID: 9287)


Basic Probability. TEACHERS: click here for quick copy question ID numbers.

What is the probability for choosing the letter B at random from the word PROBABILITY
a) 1/2
b) 1/5
c) 11/2
d) 2/11

A box contains 7 red, 14 yellow, 21 green, 42 blue, and 84 purple marbles. A marble is drawn at random from the box. What is the probability of drawing a red marble?
a) 1/24
b) 7/5
c) 1/5
d) 7/168

A drawer contains 6 red socks, 4 blue socks, and 14 white socks. A sock is pulled from the drawer at random. Find the probability of drawing a blue sock.
a) 4/20
b) 1/6
c) 1/5
d) 4/24

Suppose you spin a spinner that is equally likely to land on any one of the numbers from 1 to 20. Find the probability of landing on an odd number.
a) 10/20
b) 1/20
c) 11/20
d) 1/2

with this spinner, what is the probability of a number greater than 4?
a) The probability of a number greater than 4 is 3/8
b) The probability of a number greater than 4 is 1/8
c) The probability of a number greater than 4 is 5/8
d) The probability of a number greater than 4 is 1/2

A computer store sells 4 models of computers that can be fitted with 3 sizes of hard drives. What are the total number of combinations possible?
a) 7
b) 1.2
c) 12
d) 1

A ballot offered 3 choices for president, and 2 choices for vice president. How many different ways could you vote?
a) 5
b) 10
c) 1
d) 6

The Cougar baseball team has 4 pitchers, and 2 catchers. How many pitcher-catcher combinations are possible?
a) 6
b) 10
c) 8
d) 2

There are 5 roads from Allen to Baker, 7 roads from Baker to Carlson, and 4 roads from Carlson to Dodge. How many different routes are possible?
a) 140
b) 20
c) 35
d) 16

Drapery is sold in 4 different fabrics. Each fabric comes in 13 different patterns. Each pattern is offered in 9 different colors. How many combinations are possible?
a) 16
b) 208
c) 104
d) 21

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