VA bag contains 3 black and 4 white balls. Two balls are drawn at ndom one at a time but without replacement. (i) What is the probability that the second ball is white ? (ii) What is the conditional probability that the first ball is white if the second ball selected is known to be white ?
VA bag contains 3 black and 4 white balls. Two balls are drawn at ndom one at a time but without replacement. (i) What is the probability that the second ball is white ? (ii) What is the conditional probability that the first ball is white if the second ball selected is known to be white ?
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![A bag contains 3 black and 4 white balls. Two balls are drawn at
random one at a time but without replacement.
(i) What is the probability that the second ball is white ?
(ii) What is the conditional probability that the first ball is white if the second
ball selected is known to be white ?
fedr
vilidrdor1 (](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0596dc4d-8aca-4943-8e20-cb903c9b6328%2F167b9117-f397-47a8-a52d-8940a6b08075%2Fl7s4t7n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A bag contains 3 black and 4 white balls. Two balls are drawn at
random one at a time but without replacement.
(i) What is the probability that the second ball is white ?
(ii) What is the conditional probability that the first ball is white if the second
ball selected is known to be white ?
fedr
vilidrdor1 (
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