Let the Sample Space S be defined as equally likely integer values from 2 to 18 (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18). Also, let event A be defined as (2, 3, 4, 5, 6, 7) and event B as (6, 7, 9, 10).
a) What is the conditional probability P(B|A)?
b) What is the probability P(A ∪ B)?
a) n(A) = 6
n(B|A) = n( {6,7} ) = 2
The conditional probability P(B|A)
b) A U B = { 2,3,4,5,6,7,9,10}
n(A U B) = 8
and n(S) = 17
The probability P(A ∪ B) is
Let the Sample Space S be defined as equally likely integer values from 2 to 18...
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