You are to pick a month from a non-leap year. i. What is the expected number of days of the month you picked? [Give your answer upto 2 decimal places] ii.What is the expected number of days if you are to pick a month for 4 consecutive times? [Give your answer upto 2 decimal places] iii.What is the variance of number of days of the month? [Give your answer upto 2 decimal places]

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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You are to pick a month from a non-leap year.
i. What is the expected number of days of the month you picked? [Give your answer upto 2 decimal places]
ii.What is the expected number of days if you are to pick a month for 4 consecutive times? [Give your
answer upto 2 decimal places]
iii.What is the variance of number of days of the month? [Give your answer upto 2 decimal places]
Transcribed Image Text:You are to pick a month from a non-leap year. i. What is the expected number of days of the month you picked? [Give your answer upto 2 decimal places] ii.What is the expected number of days if you are to pick a month for 4 consecutive times? [Give your answer upto 2 decimal places] iii.What is the variance of number of days of the month? [Give your answer upto 2 decimal places]
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