AP BIOLOGY

HEREDITY

BASICS OF PROBABILITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A bag has 10 marbles:3 blue, 2 yellow, 4 red, and 1 purple.What is the probability of picking out a purple marble?
A
3/10
B
1/10
C
4/10
Explanation: 

Detailed explanation-1: -If there are three red marbles and two blue marbles, then the probability of drawing any red marble is the number of outcomes in the event “ red, ” which is equal to three, divided by the total number of outcomes, 5, or 3/5 = 0.6.

Detailed explanation-2: -The probability of drawing a blue marble = 1/5.

Detailed explanation-3: -1 Expert Answer Since there are 7 purple marbles out of 12 total there is a 7/12 probability you will draw a purple marble on the first draw.

There is 1 question to complete.