A bag contains 2 white balls, 12 black balls and 6 blue balls.If a ball is
picked at random,what is the probability that it is either a white or blue a
ball?
PLEASE EXPLAIN STEP-BY-STEP.PLEASSSSSSEEEEEE.
Answers
Answer:
2/5
Step-by-step explanation:
Number of white balls = 2
Number of black balls = 12
Number of blue balls = 6
probability of an event = (Number of favourable outcomes) / (total number of outcomes)
probability of getting either a white ball or blue ball
= (Number of blue ball + number of white balls) / ( Total number of balls)
= (6 + 2) / 20
= 8/20
= 2/5
hope it helps you
Answer:
Probability of having white ball = 2/20 = 1/10
Probability of having blue ball = 6/20 = 3/10
Step-by-step explanation:
Total possible outcomes = No. of white balls + no. of black balls + no. of blue balls = 2 + 12 + 6 = 20
a) No. of possible outcomes of having white ball = 2
Probability of having white ball = No. of possible outcomes of having white ball/Total possible outcomes
= 2/20
= 1/10
b) No. of possible outcomes of having blue ball = 6
Probability of having blue ball = No. of possible outcomes of having blue ball/Total possible outcomes
= 6/20
= 3/10
I hope this answer is helpful for you.