Question
Cars arrive at a highway rest area according to a Poisson process with rate 9 per hour. Let X be the number of cars that
Cars arrive at a highway rest area according to a Poisson process with rate 9 per hour.
LetXbe the number of cars that arrive within an interval of duration 10 minutes. What is the standard deviation ofX?
-----
Cars arrive at a highway rest area according to a Poisson process with rate 9 per hour.
What is the probability that more than one car arrives within an interval of duration 3 minutes?
----
A multiple choice quiz involves 30 questions, each with 5 alternative answers. Each question is awarded 10 marks if the correct answer is chosen, and 0 marks otherwise. Assume that one particular student answers the quiz by guessing, with a 1 in 5 chance of answering any single question correctly, independently of all other questions.
LetXbe the total number of marks obtained by this student.The mean and standard deviation ofXare:
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Numerical Analysis
Authors: Richard L. Burden, J. Douglas Faires
9th edition
538733519, 978-1133169338, 1133169333, 978-0538733519
