Question

topic: basic concepts of probability practice given the data below, determine the probability that a person randomly selected from group 1 will be wearing jeans.

	group 1	group 2	group 3
not wearing jeans	63	36	89

Explanation:

Step1: Find total people in Group 1

$68 + 63=131$

Step2: Find number of people wearing jeans in Group 1

$68$

Step3: Calculate probability

Probability = $\frac{\text{Number of people wearing jeans in Group 1}}{\text{Total people in Group 1}}=\frac{68}{131}$

Answer:

$\frac{68}{131}$