Question

for families with school age children let the probability that a mother will attend a given Parent teacher association meeting is 0.7 the probability that a father will attend 0.5 and the probability that both will is 0.3 what is the probability that,
at least one of the parents,
exactly one of the parents
,at most one if the parents,
none of the parents
will attend the meeting?​

Answer 1

Answer:

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