Basic Probability

Front

How many different birth orders of male and female are there for a couple with four children, assuming each child is born separately and having a male or female is equally likely?

Back

16

Front

Probability of a couple with four children having all females (each child equally likely to be male or female).

Back

0.0625

Front

How many outcomes consist of 2 males and 2 females in a family with four children, assuming each child is equally likely to be male or female?

Back

6

Front

Probability of a couple with four children having at least one male (children born separately, equal likelihood of male or female).

Back

.9375

Front

P(the sum is greater than 7)

Back

15/36

Front

P(the sum is NOT equal to 7) =

Back

30/36

Front

P(even number sum) = ?

Back

18/36

Front

P(doubles, i.e. 1, 1) =

Back

6/36

Front

If a student was randomly chosen from this population, find P(male) = ?

Back

.4917

Front

If a student was randomly chosen from this population, find P(Senior or male) = ?

Back

.6200