(b) Find P(2 < X< 5). Use four decimals.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Question

please solve only part b

 

A random variable X can be modeled by the Exponential distribution, where B = 0 = 4, A = }.
(a) Complete the sentence.
The distribution of X is symmetrical
with ux = 4.00
and ox = 4.00
(Enter numerical answers to two decimals.)
(b) Find P(2 < X < 5). Use four decimals.
(c) Find the 20-th percentile. Enter your answer to two decimals. Use two decimals in your answer.
X20
0.89
(d) Find P(X > 10). Use four decimals in your answer.
0.0821
Transcribed Image Text:A random variable X can be modeled by the Exponential distribution, where B = 0 = 4, A = }. (a) Complete the sentence. The distribution of X is symmetrical with ux = 4.00 and ox = 4.00 (Enter numerical answers to two decimals.) (b) Find P(2 < X < 5). Use four decimals. (c) Find the 20-th percentile. Enter your answer to two decimals. Use two decimals in your answer. X20 0.89 (d) Find P(X > 10). Use four decimals in your answer. 0.0821
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman