Answered: 1.a) Find the CDF. 1 b) Now let's not…

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1.a) Find the CDF. 1 b) Now let's not 0.25 Find DIY <2) Dy

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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Question

One of the bartleby experts helped me with parts 1a, 1b, and 1c on this Intro to Probability and Statistics homework problem. I need to know if the answers below are correct for each part.

Answers

1.a) F(x) = 1 - e ^ -lambda x

1.b) 0.5276

1.c) 0.3064

Here's a PDF:
fx(x) = { de
de-Ax
x > 0
otherwise
1.a) Find the CDF.
1.b) Now, let's set λ = 0.25. Find P{X ≤ 3}.
1.c) Again using λ = 0.25, Find P{1 ≤ x ≤ 3}.

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Step 3: Find P(X<=3) and P(1<=X<=3).

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