Download Unit 8 Honors Review For Test Name

Unit 8 Honors Review For Test
Probability
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Name: ________________________
Date: ____________
1. Sarah makes 20% of foul shots in her average basketball game. What is the probability that she will make 3 foul shots
in a row? Give solution as a decimal rounded to the nearest thousandth.
2. What is the probability that two cards drawn from a standard deck are first a 10 or a 9, then a Face card ? Give solution
as a percent.
3. Two dice are tossed. What is the probability of obtaining a sum that is odd number or less than 3? (Give solution as a
simplified fraction.)
4. Consider a sample set as ! = 1, 3, 5, 7, 9, 11, 13, 15, 17, 19 . Event A is the multiplies of 3 and Event B is the
multiplies of 5. What is the probability that a number chosen at random from will be from either Event A or Event B?
(Give solution as a simplified fraction.)
5. There are 12 juniors, 11 sophomores, and 9 seniors at the YMCA one afternoon. A ZUMBA class is starting…
Give solutions as a decimal rounded to the nearest thousandth.
a. What is the probability a sophomore and a freshman are in the class?
b. What is the probability that a 2 juniors and 1 sophomores are in the class?
c. We want to form a 3 person dance group, how many groups could be made?
d. If Anna is the leader of the group, what is the probability that she is in the randomly chosen 3 person group?
6. A standard deck of cards is held out in front of you. Give solution as a percent.
a. What is the probability of selecting a heart or a 10 of spades?
b. P(a Jack) ∪!P(an Ace)
c. P(a Jack of diamonds) ∩ P(a Queen│a Jack of diamonds)
7. I have a bag full of marbles. There are 9 green, 10 yellow, 8 blue, and 6 white. What is the probability I will select the
following: (Give solution as a simplified fraction.)
a. 5 white marbles in a row
With replacement
Without replacement
b. A green marble or a blue marble first and then a green marble.
With replacement
Without replacement
8.
a. What is the probability that a female is randomly chosen?
b. What is the probability that the person chosen is female and under 65?
c. What is the probability that a male is older than 65?
d. What is the probability that a physician older than 65 is female?
9. How many 7 digit telephone numbers can be formed if the first digit cannot be 0 or 1?
10. How many different ways can the letters of the word “SPECIAL” be arranged?
11. Sally has 7 candles, each a different color. How many ways can she arrange the candles in a candelabra that holds 3
candles?
12. A box contains 12 black and 8 green marbles. In how many ways can five marbles be chosen?
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