   Chapter 9.1, Problem 15E ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919

#### Solutions

Chapter
Section ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919
Textbook Problem
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# Using Probability Distributions In Exercises 15-18, sketch a graph of the probability distribution and find each probability. 15. x 0 1 2 3 4 P(x) 1 20 3 20 6 20 6 20 4 20 (a) P ( 1   ≤   x   ≤   3 )             (b) P ( x ≥   2 )

To determine

To graph: The probability distribution and find the value of (a) P(1x3) and (b) P(x2).

Explanation

Given Information:

The random variable and the probability of that are given as

 x 0 1 2 3 4 P(x) 120 320 620 620 420

Graph:

Consider the provided information as,

The random variable and the probability of that are given as

 x 0 1 2 3 4 P(x) 120 320 620 620 420

Now label the x-axis as the x and the y-axis as P(x).

Now draw the graph as shown below using the data provided in the table.

(a) Now calculate the value of P(1x3).

Here this expression P(1x3) represent the sum of probability of random variable 1,2, and 3

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