Question

A group of 12 male and 8 female students is planning to go out for pizza. if 50% of the male students go and 25% of the female students go, find the probability that a random student who goes out for pizza is female.

Answer 1

12 male and 8 female...
50% of male students go.....0.50(12) = 6 of the males students go
25% of the females go....0.25(8) = 2 female students go

the probability of a random student that is female going is :
females going / total people going = 
2 / (6 + 2) = 2/8 which reduces to 1/4 or 0.25 or 25% <==

Answer 2

The probability that a random student who goes out for pizza is female will be P= 0.25 or 25%

What is probability?

Probability is defined as the ratio of the number of favorable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

It is given that:-

There are 12 male and 8 females

50% of male students go.....0.50(12) = 6 of the males students go

25% of the females go....0.25(8) = 2 female students go

The probability of a random student that is female going is :

females going / total people going = 2 / (6 + 2) = 2/8 which reduces to 1/4 or 0.25 or 25%

Hence the probability that a random student who goes out for pizza is female will be P= 0.25 or 25%

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