Compute the variance of the number of rainy days in this month (a month=30 days).
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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Transcribed Image Text:During a month in Adana, it rains with probability 2/3 each day, independently of every other
day. Compute the variance of the number of rainy days in this month (a month=30 days).
O a.
20/3
O b. 1
О с. 2/3
O d. 10/3
О е. 1/3
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