Question

Question 8 (1 point)

On a cold winter day in February, many students in Ms. Bush's sixth-grade class had runny noses and sore throats. After examining each student, the school nurse constructed the following table.

	Sore Throat	No Sore Throat
Runny Nose	7	3
No Runny Nose	3	12

Find the probability that a randomly selected student has a runny nose or a sore throat.

Write only a number a your answer. Round to two decimal places (for example: 0.73). Do not write as a percentage.

Question 9 (1 point)

In a survey on study habits, students at a local college were asked whether they listened to music while studying. The following table was constructed.

	Listens to Music	Does Not Listen to Music
Male	54	29
Female	13	41

Find the probability that a randomly selected student is female or does not listen to music while studying.

Write only a number a your answer. Round to two decimal places (for example: 0.73). Do not write as a percentage.

Answer 1

Question 8)

	Sore Throat	No Sore Throat	Total
Runny Nose	7	3	10
No Runny Nose	3	12	15
Total	10	15	25

The probability that a randomly selected student has a runny nose or a sore throat.

=0.52

Question 9)

	Listens to Music	Does Not Listen to Music	Total
Male	54	29	83
Female	13	41	54
Total	67	70	137

The probability that a randomly selected student is female or does not listen to music while studying.

=0.61