31) The probability that a Poisson variate X takes a positive value is 1 - e-1.5. Find the variance and the probability that X lies between -1.5 and 1.5.
31) The probability that a Poisson variate X takes a positive value is 1 - e-1.5. Find the variance and the probability that X lies between -1.5 and 1.5.
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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![less than 90 days? (ii) If it is decided to replace all the bulbs
together what interval should be allowed between
replacements if not more than 10% should expire before
replacement?
31) The probability that a Poisson variate X takes a positive
value is 1- e-1.5. Find the variance and the probability that X
lies between -1.5 and 1.5.
32) From the following table, estimate the number of students
who obtained marks between 40 and 45.
Marks
30-40
40-50
50-60
60-70
70-80](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff1b2a7e8-f5e9-4e8f-b90b-0a1a68c49773%2F919ce7b3-0c0e-4c75-927d-33f9ced1db44%2Fu2elgsc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:less than 90 days? (ii) If it is decided to replace all the bulbs
together what interval should be allowed between
replacements if not more than 10% should expire before
replacement?
31) The probability that a Poisson variate X takes a positive
value is 1- e-1.5. Find the variance and the probability that X
lies between -1.5 and 1.5.
32) From the following table, estimate the number of students
who obtained marks between 40 and 45.
Marks
30-40
40-50
50-60
60-70
70-80
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