Question

For families with school age children, let the probability that a mother
will attend a given PTA ( parent-teacher association ) meeting is 0.7,
the probabilitiy that a father will attend is 0.5 and the probability that
both will attend is 0.3. what is the probabilitiy that
(i) at least one of the parents
(ii) exactly one of the parents
(iii) at most one of the parents ,and
(iv) none of the parents

will attend the meeting?

help please

Answer 1

Answer:

For families with school age children, let the probability that a mother

will attend a given PTA ( parent-teacher association ) meeting is 0.7,

the probabilitiy that a father will attend is 0.5 and the probability that

both will attend is 0.3. what is the probabilitiy that

(i) at least one of the parents

(ii) exactly one of the parents

(iii) at most one of the parents ,and

(iv) none of the parents

will attend the meeting?

help please

$7658850 \times \frac{?}{?}$

Answer 2

Explanation:

I'm able to answer only two.

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