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?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 83CR
Related questions
Question
![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?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F50fb1726-db88-418e-95d9-63a9b23a7ce3%2Faa6ea43c-46be-4567-964d-72e7024677d7%2Fbbyo9up_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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?
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