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(a) Find the probability distribution for the number of times 3 is rolled. X 0 1 2 3 P(x) 0.4096 0.4096 0.1536 0.0256 (Round to four decimal places as needed.) (b) What is the expected number of times 3 is rolled? E(x) = (Round to four decimal places as needed.) 4 0.0016

(a) Find the probability distribution for the number of times 3 is rolled. X 0 1 2 3 P(x) 0.4096 0.4096 0.1536 0.0256 (Round to four decimal places as needed.) (b) What is the expected number of times 3 is rolled? E(x) = (Round to four decimal places as needed.) 4 0.0016

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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8.5 QQ) 4 Hey! I need help solving part b of this question, it states to round to two decimal places as needed.
Suppose a fair die numbered 1 to 5 is rolled 4 times. Complete parts (a) and (b) below. (a) Find the probability distribution for the number of times 3 is rolled. 0 1 2 3 P(x) 0.4096 0.4096 0.1536 0.0256 (Round to four decimal places as needed.) (b) What is the expected number of times 3 is rolled? E(x) = (Round to four decimal places as needed.) X 4 0.0016 ...
Transcribed Image Text:Suppose a fair die numbered 1 to 5 is rolled 4 times. Complete parts (a) and (b) below. (a) Find the probability distribution for the number of times 3 is rolled. 0 1 2 3 P(x) 0.4096 0.4096 0.1536 0.0256 (Round to four decimal places as needed.) (b) What is the expected number of times 3 is rolled? E(x) = (Round to four decimal places as needed.) X 4 0.0016 ...
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