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Bananas cost 10 rupee each and apples cost 30 rupees each. C is the cost of one purchase from fruit stall. The probability that a purchase are bananas is P[B] = 0.7. The probability of purchase are apples is P[A] = 0.3. (a) Find PC(c), the PMF of C. (b) What is E[C], the expected value of C?

Bananas cost 10 rupee each and apples cost 30 rupees each. C is the cost of one purchase from fruit stall. The probability that a purchase are bananas is P[B] = 0.7. The probability of purchase are apples is P[A] = 0.3. (a) Find PC(c), the PMF of C. (b) What is E[C], the expected value of C?

A First Course in Probability (10th Edition)
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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Bananas cost 10 rupee each and apples cost 30 rupees each. C is the cost of one purchase from fruit stall. The probability that a purchase are bananas is P[B] = 0.7. The probability of purchase are apples is P[A] = 0.3. (a) Find PC(c), the PMF of C. (b) What is E[C], the expected value of C?
Transcribed Image Text:Bananas cost 10 rupee each and apples cost 30 rupees each. C is the cost of one purchase from fruit stall. The probability that a purchase are bananas is P[B] = 0.7. The probability of purchase are apples is P[A] = 0.3. (a) Find PC(c), the PMF of C. (b) What is E[C], the expected value of C?
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