Common-Core/ Grade 10
Maths MCQ Based On Understanding probability of mutually exclusive and overlapping events
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Common-Core Grade 10 - 10 Understanding probability of mutually exclusive and overlapping events
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P(E) = Favourable outcomes greater than 5 = 1 P (E) =1/6
P(3 or 5) = P(3) + P(5) P(3 or 5) = (1/6) + (1/6) = 2/6 P(3 or 5) = 1/3
P (X) = 4 / 52 = 1 / 13
P (Y) = 4 / 52 = 1 / 13
P(A or B) = P(A)+P(B)-P(A and B)
P(E) = P(E) = 3/6 = 1/2
P( not rain) = 1-P(rain) = 1-0.8 = 0.2
The probability of both events occurring at the same time will be zero.
P(A or B) = P(A) + P(B)
The probability of drawing a spade is 13/52 = 1/4
P (A ∪ B) = P (A) + P (B) − P (A ∩ B) 5 / 6 = (2 / 3) + (1 / 2) − P (A ∩ B) ⇒ P (A ∩ B) = 0
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