An important factor in solid missile fuel is the particle size distribution. Significant problems occur if the particle sizes are too large. From production data in the past, it has been determined that the particle size (in micrometers) distribution is characterized by the following function. 7x x>1 f(x) = elsewhere (a) Verify that this is a valid density function. (b) Evaluate F(x). (c) What is the probability that a random particle from the manufactured fuel exceeds 2 micrometers? -8 (a) The function f(x) is a valid density function because for all and because [ f(x) dx = ·√ 7x¯³dx= Oli = x≤ 1, (b) F(x)= x> 1. (c) P(X>2)= (Type an integer or decimal rounded to four decimal places as needed.)

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter1: Functions
Section1.2: Functions Given By Tables
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An important factor in solid missile fuel is the particle size distribution. Significant problems occur if the particle sizes are too large. From production data in the past,
it has been determined that the particle size (in micrometers) distribution is characterized by the following function.
-8
7x
x>1
f(x) =
0₁
elsewhere
(a) Verify that this is a valid density function.
(b) Evaluate F(x).
(c) What is the probability that a random particle from the manufactured fuel exceeds 2 micrometers?
C
(a) The function f(x) is a valid density function because
▼ for all
and because
S f(x) dx = = √ 7x²³dx = ₁₁ =
- 00
x≤ 1,
(b) F(x)=
48
x> 1.
(c) P(X> 2) =
(Type an integer or decimal rounded to four decimal places as needed.)
Transcribed Image Text:An important factor in solid missile fuel is the particle size distribution. Significant problems occur if the particle sizes are too large. From production data in the past, it has been determined that the particle size (in micrometers) distribution is characterized by the following function. -8 7x x>1 f(x) = 0₁ elsewhere (a) Verify that this is a valid density function. (b) Evaluate F(x). (c) What is the probability that a random particle from the manufactured fuel exceeds 2 micrometers? C (a) The function f(x) is a valid density function because ▼ for all and because S f(x) dx = = √ 7x²³dx = ₁₁ = - 00 x≤ 1, (b) F(x)= 48 x> 1. (c) P(X> 2) = (Type an integer or decimal rounded to four decimal places as needed.)
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