(i) If 3 dice are rolled, how many "6s" do you get on average? (ii) How many times on average do you have to toss a coin that gives "heads" with a probability of 1/2, to get "tails"?

A First Course in Probability (10th Edition)
10th Edition
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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Bernoulli proofs:
(i) If 3 dice are rolled, how many “6s" do you get on average?
(ii) How many times on average do you have to toss a coin that gives "heads" with a probability of 1/2, to get "tails"?
Transcribed Image Text:Bernoulli proofs: (i) If 3 dice are rolled, how many “6s" do you get on average? (ii) How many times on average do you have to toss a coin that gives "heads" with a probability of 1/2, to get "tails"?
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