If p(a) = 0.62, p(b) = 0.47, and p(a or b.= 0.88, then p(a and b.=

Probabilities are used to determine the chances of an event

The value of P(a and b) is 0.21

The given parameters are:

P(a) = 0.62

P(b) = 0.47

P(a or b) = 0.88

P(a and b) is calculated using the following formula

P(a and b) = P(a) + P(b) - P(a or b)

So, we have:

P(a and b) = 0.62 + 0.47 - 0.88

P(a and b) = 0.21

Hence, the value of P(a and b) is 0.21

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the answer to the expression is 83