Worksheets8 Theoretical Probability
Total questions: 15
Worksheet time: 20mins
10 M&Ms are in a bag, 4 red, 2 blue, 1 green and 3 brown. What is the probability of pulling out a blue candy?
1
2/10
1/5
3/10
10 M&Ms are in a bag, 4 red, 2 blue, 1 green and 3 brown. What is the probability of pulling out a red candy?
2/5
2/10
1/5
4/10
Alphabet(26 letters in the alphabet) magnets are placed in a bag(one of each letter). What is the probability of pulling out a vowel?
21/26
5/26
6/26
3/13
Alphabet magnets are placed in a bag(one of each letter). What is the probability of pulling out the letter z?
25/26
5/26
1/13
1/26
1
3/9 or 1/3
7/12
5/10 or 1/2
A box contains 4 red pencils, 6 blue pencils, 5 black pencils, and 3 green pencils. The best description of the likelihood of selecting a blue pencil at random from the box is (a) .
Marvin has a standard deck of cards.
(52 in a deck, 4 suits)
P (Ace or a 5)
1/13
2/13
1/26
8/50
Match the following probabilities:
0
Certain
1
Unlikely
21
As Likely as Not
between 0 and 21
Likely
between 21 and 1
Impossible
Find P(A') if P(A) is 0.7
(a)
If the probability of an event is 2/7, the complementary of this event is
1/7
7/7
5/7
0.27
A standard 6-sided die is rolled, what is the complementary event of rolling a number less than 5
rolling at least a 4
rolling a 5 or above
rolling at most a 5
rolling at most a 4
Find P(A') if P(A) is 4/5
(a)
