b) Ahmed has 8 chocolates left in a box. The chocs are either hard or soft. (i) Ahmed picks a choc at random. If the probability of picking a soft-centred choc is 3/8, what is the probability he picks a hard centre? (ii) (iii) Ahmed picks a hard centre and is disappointed. He puts it back without eating it and picks another chocolate. What is the probability he chooses a soft centre now? Assume that Ahmed has already taken one soft-centred choc. What is the probability that he picks another soft-centred choc?
b) Ahmed has 8 chocolates left in a box. The chocs are either hard or soft. (i) Ahmed picks a choc at random. If the probability of picking a soft-centred choc is 3/8, what is the probability he picks a hard centre? (ii) (iii) Ahmed picks a hard centre and is disappointed. He puts it back without eating it and picks another chocolate. What is the probability he chooses a soft centre now? Assume that Ahmed has already taken one soft-centred choc. What is the probability that he picks another soft-centred choc?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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