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QUESTION 1 A variable X has the following probability distribution X 5.2 7.3 9.4 10.8 13.2 P(x) 0.1 0.25 0.3 0.2 0.15 What is the variance of X? Please round your answer to THREE decimals.

QUESTION 1 A variable X has the following probability distribution X 5.2 7.3 9.4 10.8 13.2 P(x) 0.1 0.25 0.3 0.2 0.15 What is the variance of X? Please round your answer to THREE decimals.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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QUESTION 1 A variable X has the following probability distribution X 5.2 7.3 9.4 10.8 13.2 What is the variance of X? Please round your answer to THREE decimals. QUESTION 2 P(x) 0.1 0.25 0.3 0.2 0.15 A variable X has the following probability distribution X 3.0 7.7 10. 3 17. 3 20. 9 P(x) 0.1 0.25 0.3 0.2 0.15 Save Answer What is the expected value of X? Please round your answer to ONE decimal. QUESTION 3 Save Answer Phone calls arrive at the rate of 3.6 every minute at the local call center. Find the probability of receiving 2 calls in the next minute. Please round your answer to FOUR decimal. Save Answer
Transcribed Image Text:QUESTION 1 A variable X has the following probability distribution X 5.2 7.3 9.4 10.8 13.2 What is the variance of X? Please round your answer to THREE decimals. QUESTION 2 P(x) 0.1 0.25 0.3 0.2 0.15 A variable X has the following probability distribution X 3.0 7.7 10. 3 17. 3 20. 9 P(x) 0.1 0.25 0.3 0.2 0.15 Save Answer What is the expected value of X? Please round your answer to ONE decimal. QUESTION 3 Save Answer Phone calls arrive at the rate of 3.6 every minute at the local call center. Find the probability of receiving 2 calls in the next minute. Please round your answer to FOUR decimal. Save Answer
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