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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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please urgently !!! Correct answer to 4 decimal places and report the measurement unit when applicable.

Question 4 In the summer holiday, each student is required to write at least one book report. The following table represents the probability distribution function of the number of book reports (X) a student has written in the summer holiday. 1 4 5 P(X = x) 0.8k k 0.35 0.15 0.05 (a) What is the value of k? (b) Find E(X) and o (X). (c) Suppose the number of book reports students have written are independent. In a study group with 8 students, what is the probability that exactly 5 students have written at most 3 book reports? (. 3
Transcribed Image Text:Question 4 In the summer holiday, each student is required to write at least one book report. The following table represents the probability distribution function of the number of book reports (X) a student has written in the summer holiday. 1 4 5 P(X = x) 0.8k k 0.35 0.15 0.05 (a) What is the value of k? (b) Find E(X) and o (X). (c) Suppose the number of book reports students have written are independent. In a study group with 8 students, what is the probability that exactly 5 students have written at most 3 book reports? (. 3
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