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assuming that the probabilities of a kitten being born male or female are the same, what is the probability that in a litter of four kittens there are 2 males and two females?

Sagot :

Probabilities are used to determine the chances of an event.

The probability that there are 2 male and 2 female kittens is 0.375

The male and female kitten have an equal probability.

This is represented as:

[tex]\mathbf{p = 0.5}[/tex] ---- probability of male kitten

[tex]\mathbf{q = 0.5}[/tex] ---- probability of female kitten

The question is an illustration of binomial probability, and it is represented as:

[tex]\mathbf{Pr = ^nC_xp^xq^{n -x}}[/tex]

In this case:

[tex]\mathbf{n = 4}[/tex] --- number of kittens

[tex]\mathbf{x = 2}[/tex] --- number of male kitten

So, we have:

[tex]\mathbf{Pr = ^4C_2 \times (0.5)^2 \times 0.5^{4 -2}}[/tex]

[tex]\mathbf{Pr = 6 \times (0.5)^2 \times 0.5^2}[/tex]

[tex]\mathbf{Pr = 0.375}[/tex]

Hence, the probability that there are 2 male and 2 female kittens is 0.375

Read more about probabilities at:

https://brainly.com/question/11234923