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➷ Find the multiplier : 15/100 = 0.15
Multiply by the original
150 x 0.15 = 22.5
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Answer:
15/2, 13/2.
Step-by-step explanation:
Here's a graph as well.
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
