23. A small press publishes an unpredictable number X of new books each month with(4+69)(3+7q))probability generating function πx(q) = E(q) =100a) Each book they publish in a given month has an 80% chance of reaching a best-seller list.What is the probability that next month all the books they publish will reach the best-seller list?(Hint: remember the post-test interpretation of π?)b) Calculate the expected value and variance of the number of books they will publish nextmonth.

The probability-generating function isprobability of chance reaching a best-seller list is 80%

Answered: 23. A small press publishes an…

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 answer only page 167 3.1.30
Q3 a) A component has an exponential time to failure with a mean of 100 hours. (i) The component has already been in operation for its mean life. What is the probability that it will fall by 150 hours? (ii) The component will operate for another 50 hours given that it is in operation 150 hours. (iii) If 20 components are tested, what is the probability that at least one fails in less than 200 hours? Assume that the components fail independently. b) Students of National University were classified according to their favorite color: Blue 12 5 Favorite color Red 13 13 Black 25 20 Male Female If one student is selected at random, then find the probability that the selected student: (i) Doesn't like black color. (ii) Is Female and likes blue color. (iii) Is Male or like black color. (iv) Likes red color given that it is female.
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which expressions correctly describes the experimental probability, P(B), where n(B) is the number of times event B occurred and n(T) is the total number of trials, T, in the experiment? a) P(B) = n(B) x n(T) b) P(B) = n(N) + n(T) c) P(B) = n(T)/n(B) d) P(B) = n(B)/n(T)

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