need help with these 2 parts

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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I need help with these 2 parts

Let x have an exponential distribution with = 0.4. Find the probability. (Round your answer to four decimal places.)
P(x < 4)
Transcribed Image Text:Let x have an exponential distribution with = 0.4. Find the probability. (Round your answer to four decimal places.) P(x < 4)
Let x have an exponential distribution with = 0.3. Find the probability. (Round your answer to four decimal places.)
P(3 < x < 5)
Transcribed Image Text:Let x have an exponential distribution with = 0.3. Find the probability. (Round your answer to four decimal places.) P(3 < x < 5)
Expert Solution
Step 1

Given that 

X ~ Exponential(λ = 0.4)

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