In a certain country, the true probability of a baby being a boy is 0.514. among the next nine randomly selected births in the

Question

3 years ago

12

country, what is the probability that at least one of them is a girl?

1 answer:

Vadim26 [7] · Answer 1 · 2022-02-01T16:43:42+03:00

The probability of a baby being a boy is 0.514.

Nine baby births are selected and we have to find the probability that at last one of them is a girl.

P(At least one out of 9 is baby girl) = 1 - P(No baby girl)

= 1 - P(All 9 are baby boy)

= 1 - (0.514)^9

= 1 - 0.0025

= 0.9975

The probability that at least one out of 9 selected births is baby girl is 0.9975

In a certain​ country, the true probability of a baby being a boy is 0.514. among the next nine randomly selected births in the​