Question

ina family of 3 children , find the probality of having at least one by​

Answer 1

Answer:

The answer is 1/3

Step-by-step explanation:

So there are 3 family members, and if we have one by it will be 1.

So let x be 1 and y be 3

x/y=1/3

Answer 2

Answer:

7/8.

Step-by-step explanation:

The probability that each child will be a boy is 1/2. The probability that each child will be a girl is 1/2. The probability of at least 1 boy = 1 - the probability of no boys. boys which = 3/8 + 3/8 + 1/8 = 7/8.

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