Download the File

1
Which inequality represents the probability, x, of any event happening?
(1) x  0
(2) 0  x  1
2
(3) x  1
(4) 0  x  1
A fair coin is tossed three times. What is the probability that the coin will
land tails up on the second toss?
1
3
1
(2)
2
(1)
2
3
3
(4)
4
(3)
3
A number is selected at random from the set {2,3,5,9,11,12}. What is the
probability the number is greater than 3 or less than 9?
4
Mary chooses an integer at random from 1 to 6. What is the probability that
the integer she chooses is a prime number?
5
6
3
(2)
6
(1)
2
6
4
(4)
6
(3)
5
A box contains six black balls and four white balls. What is the probability
of selecting a black ball at random from the box?
1
10
6
(2)
10
(1)
6
4
6
6
(4)
4
(3)
A six-sided number cube has faces with the numbers 1 through 6 marked
on it. What is the probability that a number less than 3 will occur on one
toss of the number cube?
1
6
2
(2)
6
3
6
4
(4)
6
(1)
7
(3)
The faces of a cube are numbered from 1 to 6. What is the probability of
not rolling a 5 on a single toss of this cube?
1
6
5
(2)
6
1
5
4
(4)
5
(1)
8
(3)
If the probability that it will rain on Thursday is
that it will not rain on Thursday?
(1) 1
(2) 0
1
6
5
(4)
6
(3)
5
, what is the probability
6
9
A bag of marbles contains 5 white, 2 brown, and 9 green marbles. If one
marble is taken at random from the bag, what is the probability that it will
be a white marble?
10
The probability of getting a ticket while speeding is 85%. How many times
would you expect to get a ticket if you were speeding 340 times?
11
If the probability it will be windy is 50%, the probability it will rain is
30%, and the probability it will be windy and it will rain is 5%, find the
probability that it will be windy or it will rain.