Determine the following: (a) Is this a valid PMF? verify (b) What is the CDF? (c) Probability that WSU wins at least 1 game
Determine the following: (a) Is this a valid PMF? verify (b) What is the CDF? (c) Probability that WSU wins at least 1 game
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...
Related questions
Question

Transcribed Image Text:2:20 PM Sun Sep 25
AA
T twinrdsr has denmark... Cusercontent.....
I
usercontent.crowdmark.com
12. During a regular season, WSU will typically play 12 football games. Let X denote the
number of football games WSU will win with the following probabilities:
0 1 2 3 4 5 6 7 8 9 10 11 12
P(X= x) 0.01 0.01 0.05 0.03 0.07 0.1 0.08 0.1 0.2 0.15 0.1 0.08 0.02
Determine the following:
(a) Is this a valid PMF? verify
(b) What is the CDF?
Has a pet
20
Does not have a pet 20
total
40
The probabil...
(c) Probability that WSU wins at least 1 game
(d) Probability that WSU wins between 2 and 5 games
(e) Probability that WSU wins at most 4 games
(f) Mean and Variance
(g) P(X> 6.6)
(h) P(X ≤ 1.2)
13. Use this table to calculate the following probabilities (as always - show your work/steps!):
Elementary Middle High total
130
35
30
65
(a) P(X=3)
(b) P(X ≤4)
(c) P(X > 5)
(d) P(0 ≤X ≤ 3)
(e) Draw the PMF
(f) Draw the CDF
75
45 95
120 225
xusercontent.... ★ Start Page
(a) Find P(Student does not have a pet)
(b) Find P(Student has a pet and they are in middle school)
(c) Find P(Student is in elementary school or they have a pet)
(d) Find P(Student is not in middle school and they do not have a pet)
14. The random variable X has a binomial distribution with n=8 and p=0.6. Determine the
following probabilities:
3
15. Telephone calls enter a switchboard on the average of two every four minutes. What is the
probability of 3 or more calls arriving in a 10-minute period?
50%
+ 88
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 3 images

Recommended textbooks for you

A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON


A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
