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Probability
Test Description: Practice with probability
Instructions: Answer all questions to get your test result.
1) In a jar, there are 4 blue marbles, 3 green marbles, 7 red marbles, and 2 white marbles. Find the P(G)
A
30%
B
3%
C
19%
D
18%
2) In a deck of cards, find P(king)
A
7%
B
4%
C
52%
D
8%
3) A box has these letter inside: S U Y O P S U Y S O S. With replacement, find the P(S, then Y)
A
6/121
B
2/11
C
8/121
D
6/11
4) A bag of Skittles has 8 purple, 6 red, 7 green, and 5 yellow inside. With replacement, find the P(G then Y)
A
3/169
B
35/676
C
8/13
D
6/13
5) You flip a coin 12 times and it lands on heads 8 times. Find the experimental P(H)
A
25%
B
50%
C
67%
D
80%
6) You roll a die two times. Find the P(2, then an even #)
A
12%
B
17%
C
8%
D
50%
7) A box has these letters inside: L C H S P A N T H E R S. With replacement, find the P(H, then S)
A
17%
B
27%
C
36%
D
3%
8) What is the Probability of rolling a 2 or a 5 on a six sided dice
A
1/3
B
5/6
C
1/6
D
1/2
9) What is the probability of rolling 2 six sided dice and getting a sum of 15.
A
Likely
B
Impossible
C
Unlikely
D
As likely as not
10) What is the probability of flipping a coin 3 times and landing on tails each time.
A
1/8
B
1/2
C
1/4
D
1/6
*select an answer for all questions
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