32. Suppose that the reaction time (sec) to a certain stimulus is a continuous random variable with a density function given by f(x) = {k/x for 1 ≤x≤ 10 otherwise a. Sketch a graph of f(x). b. Find the numerical value of k. c. What is the probability that x exceeds 3? d. What is the probability that x lies within .25 sec of 3?
32. Suppose that the reaction time (sec) to a certain stimulus is a continuous random variable with a density function given by f(x) = {k/x for 1 ≤x≤ 10 otherwise a. Sketch a graph of f(x). b. Find the numerical value of k. c. What is the probability that x exceeds 3? d. What is the probability that x lies within .25 sec of 3?
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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![32. Suppose that the reaction time (sec) to a certain stimulus is a continuous random variable with a density function given by
\[
f(x) =
\begin{cases}
\frac{k}{x} & \text{for } 1 \leq x \leq 10 \\
0 & \text{otherwise}
\end{cases}
\]
a. Sketch a graph of \( f(x) \).
b. Find the numerical value of \( k \).
c. What is the probability that \( x \) exceeds 3?
d. What is the probability that \( x \) lies within .25 sec of 3?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F416064f9-c57b-46ee-9b50-14b257515654%2F9dafa880-321b-48f8-9502-b69f69c96967%2Fraf2ltc_processed.png&w=3840&q=75)
Transcribed Image Text:32. Suppose that the reaction time (sec) to a certain stimulus is a continuous random variable with a density function given by
\[
f(x) =
\begin{cases}
\frac{k}{x} & \text{for } 1 \leq x \leq 10 \\
0 & \text{otherwise}
\end{cases}
\]
a. Sketch a graph of \( f(x) \).
b. Find the numerical value of \( k \).
c. What is the probability that \( x \) exceeds 3?
d. What is the probability that \( x \) lies within .25 sec of 3?
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