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2.2-2.6 Quiz review Flashcards | StudBud
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2.2-2.6 Quiz review
2.2-2.6 Quiz review
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1
There are 16 stones (9 black, 2 brown, 5 white). Find P(black, then brown) WITH REPLACEMENT.
2/16 * 9/15
9/16 * 2/15
9/16 * 2/16
2/16 * 9/16
2
Which of the following is DEPENDENT?
studying math & studying spanish
passing statistics & passing english
studying for a test & passing the test
3
If P(A) = 0.4 and P(B) = 0.5 and they are MUTUALLY EXCLUSIVE, find P(A or B).
0.1
0.9
0
0.2
4
There are 8 coins (3 pennies, 3 nickels, 2 dimes). Find P(nickel | not penny).
3/8
3/5
3/3
3/6
5
If P(A) = 0.2 and P(B) = 0.7 and they are INDEPENDENT, find P(A, then B).
0
0.9
0.5
0.14
6
If P(A) = 0.3 and P(B) = 0.5 and they are MUTUALLY EXCLUSIVE, find P(A and B).
0.15
0
0.2
0.8
7
Which of the following is MUTUALLY EXCLUSIVE?
rolling a multiple of 2 and an odd
rolling an odd and a # greater than 2
rolling a # less than 4 and a prime
rolling an even and a 6
8
True or False: Independent events have an effect on each other.
true
false
9
There are 11 marbles (3 white, 1 green, 7 blue). Find P(not blue).
10/11
7/11
4/11
8/11
10
True or false: The sample space is a list of all possible outcomes.
true
false
11
True or False: Mutually Exclusive events cannot happen at the same time.
false
true
12
There are 15 flowers (5 roses, 7 daisies, 3 violets). Find P(rose or violet).
8/15
7/15
12/15
10/15
13
I have 4 red, 3 pink, 4 yellow, and 6 orange starburst. Find P(red, then red) WITH REPLACEMEMNT
4/17 * 4/16
4/17 * 3/17
4/17 * 3/16
4/17 * 4/17
14
True or False: Probabilities can be negative.
false
true
15
True or False: Odds tell the ratio of an event happening to the total ways it can happen.
false
true
