Class 3 Homework

1. Use this table for the following questions:

	Female	Male	Total
Short Hair	20	40	60
Long Hair	30	10	40
Total	50	50	100

1. Complete a total probability table.
2. Complete a row probability table
3. Complete a column probability table.

d. The probability that a student does not have long hair. _________

e. The probability that a student is male or has short hair. ________

f. The probability that a student is a female and has long hair. _________

g. The probability that a student is male, given that the student has long hair. _________

h. The probability that a student has long hair, given that the student is male. _________

i. Of all the female students, the probability that a student has short hair. ________

j. Of all students with long hair, the probability that a student is female. _________

k. The probability that a student is female or has long hair. _________

l. The probability that a randomly selected student is a male student with short hair. _________

m. The probability that a student is female. _________