Asked by cheyenne
One ball is drawn at random from a bag containing 2 red balls and 8 white balls.
(a) What is the probability that the ball is red?
Correct: Your answer is correct.
(b) What is the probability that the ball is green?
Correct: Your answer is correct.
(c) What is the probability that the ball is red or white?
(a) What is the probability that the ball is red?
Correct: Your answer is correct.
(b) What is the probability that the ball is green?
Correct: Your answer is correct.
(c) What is the probability that the ball is red or white?
Answers
Answered by
Reiny
Are we answering only c) ?
c) since there are only reds and whites, and you want prob(red OR white)
the prob(red OR white) = 1
that is, 2/10 + 8/10
= 10/10
= 1
c) since there are only reds and whites, and you want prob(red OR white)
the prob(red OR white) = 1
that is, 2/10 + 8/10
= 10/10
= 1
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