A Karate club consists of 52 persons holding a black belt (highest rating), 69 persons holding a brown belt (middle rating), and 83 persons holding a purple belt (lowest
Rating). What is the probability that a randomly-selected club member holds a black belt?
A) 0.745
B) 0.342
C) 0.658
D) 0.255

Question

Quizplus · Accepted Answer

The probability is calculated by dividing the number of black belt holders by the total number of club members: 52 / (52 + 69 + 83) = 52 / 204 = 0.255.

A Karate Club Consists of 52 Persons Holding a Black