Question

All answers should be in decimal form and rounded at the second decimal place

	Yes	No
18-34	750	170
35 +	950	130

QUESTION 10

Use the data in the Chapter 4 Data file to answer the following six questions.

Find P(18-34).

QUESTION 11

What is the probability that a randomly selected individual does not have health insurance coverage?

QUESTION 12

What is the probability that someone between 18 and 34 years does not have health insurance?

QUESTION 13

If the individual is age 35 or older what is the probability that the individual does not have health insurance coverage?

QUESTION 14

Given the individual does not have health insurance, what is the probability that the individual is in the 18-34 group?

QUESTION 15

What is the probability that some older than 35 has health insurance?

Answer 1

Solution:

	Yes	no	total
18 - 34	750	170	920
35+	950	130	1080
total	1700	300	2000

( 11 )

probability that a randomly selected individual does not have health insurance coverage = 300 / 2000 = 0.15

( 12 )

probability that someone between 18 and 34 years does not have health insurance = 170 / 920 = 0.1847

( 13 )

probability that someone over 35 years does not have health insurance = 130/1080 = 0.1203

( 14 )

probability that the individual is in the 18-34 group, Given the individual does not have health insurance = 170 / 300

= 0.5666

( 15 )

the probability that some older than 35 has health insurance = 950 / 1080 = 0.8796