If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
A .72^4 = ?
Either-or probabilities are found by adding the individual probabilities.
B. This is saying P of either none using, 3 not using, 2 not using or 1 not using.
P = .28^4 + .28^3*.72… etc.
Hello
Can you help me
It is reported that 72% of working women use computers at work , choose 4 working wonen at random . Find the probability that :
A : all 4 use a computer at their work
B : at least one does not use a computer at work Please help me 😞
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