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Q1:
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The probability that a day of the week, selected at random begins with a "t" is 2/ 7?
What is the probability that a day of the week selected at randon does not begin with "t"?
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A. 2/ 7
B. 3/ 7
C. 4/ 7
D. 5/ 7 |
Answer 1:
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Q2:
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For two events A and B, the probability of both A and B happening is P(A  B) = P(A).P(B).
These events are:
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A. Mutually exclusive
B. Disjoint
C. Complementary
D. Independent |
Answer 2:
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Q3:
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For two independent events C and D,
P(C) = 0.7 and P(C D) = 0.21, find P(D)
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A. 0.3
B. 0.7
C. 0.147
D. 0. 21 |
Answer 3:
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Q4:
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If X and Y are two independent events and P(X) = 0.4 and P(Y) = 0.3, what is P(X  Y)? |
A. 0.12
B. 0.7
C. 0.58
D. 0.1 |
Answer 4:
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Q5:
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Two coins are tossed, what is the probability that one coin is heads and one coin is tails? |
A. 0.4
B. 0.25
C. 0.5
D. 0.75 |
Answer 5:
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