Asurvey of 28 teens in a community theater group found that 12 teenagers, in total, had a sister, 7 teenagers, in total, had a brother, and 3 teenagers had both a sister and brother. what is the probability that a randomly selected teenager who has a sister also has a brother? 14 37 328 728

Answer is .

Step-by-step explanation:

Total teens = 28

12 teenagers, in total, had a sister

7 teenagers, in total, had a brother

3 teenagers had both a sister and brother.

To get the required probability, we will consider the following two details:

3 teenagers have both a brother and sister  and 12 have a sister.

Therefore, the probability that a randomly selected teenager who has a sister also has a brother will be =

Answer is .

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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