freebyyy7032
05.04.2020 •
Mathematics
The probability of two events that are not mutually exclusive may be calculated using the formula
P(AUB) - P(A) + P(B) - P(
A B). In other words, the probability of A and B occurring is the sum of the probabilities, minus the
probability that A and B occurred. Using this formula, calculate the probability of drawing a red card or any jack on a single
random draw from a standard 52-card deck.
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Ответ:
7/13
Step-by-step explanation:
P(A or B) = P(A) + P(B) − P(A and B)
P(red or jack) = P(red) + P(jack) − P(red and jack)
P(red or jack) = 26/52 + 4/52 − 2/52
P(red or jack) = 28/52
P(red or jack) = 7/13
Ответ:
73 or 74
Step-by-step explanation:42/4=10.5 so 31.5 + 42 is 73.5 but round up or down