5. The thickness, x, of a protective coating applied to glass shower doors designed to ensure the longevity and clarity of the glass follows a uniform distribution over the interval from 10 to 40 microns. Find the probability that the coating is less than 20 microns thick. a. a. 0.3333 b. 0.6667 6. Which of the following situations describes a binomial random variable? You play two games against the same opponent. The probability that you win the first game is 0.4. If you win the first game, the probability you also win the second game is 0.2. You are interested in the probability that you will win both games? b. A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 18% of students attend Tet festivities. You are interested in the number of students who will attend the festivities. A consumer looking to buy a used red Miata car will call dealerships until she finds a dealership that carries the car. She estimates the probability that any independent dealership will have the car will be 28%. You are interested in the number of dealerships she must call. d. The switchboard in a Minneapolis law office gets an average of 5.5 incoming phone calls during the noon hour on Mondays. Experience shows that the existing staff can handle up to six calls in an hour. You are interested in the number of calls received at noon. C. C. 0.5000 d. 0.3000

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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5. The thickness, x, of a protective coating applied to glass shower doors designed to ensure the
longevity and clarity of the glass follows a uniform distribution over the interval from 10 to 40
microns. Find the probability that the coating is less than 20 microns thick.
a. 0.3333
b. 0.6667
J
c. 0.5000
d.
0.3000
6. Which of the following situations describes a binomial random variable?
a.
You play two games against the same opponent. The probability that you win the first game is
0.4. If you win the first game, the probability you also win the second game is 0.2. You are
interested in the probability that you will win both games?
b. A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet
(Vietnamese New Year) festivities this year. Based on past years, she knows that 18% of students
attend Tet festivities. You are interested in the number of students who will attend the festivities.
A consumer looking to buy a used red Miata car will call dealerships until she finds a
dealership that carries the car. She estimates the probability that any independent dealership
will have the car will be 28%. You are interested in the number of dealerships she must call.
d. The switchboard in a Minneapolis law office gets an average of 5.5 incoming phone calls during
the noon hour on Mondays. Experience shows that the existing staff can handle up to six calls in
an hour. You are interested in the number of calls received at noon.
Transcribed Image Text:5. The thickness, x, of a protective coating applied to glass shower doors designed to ensure the longevity and clarity of the glass follows a uniform distribution over the interval from 10 to 40 microns. Find the probability that the coating is less than 20 microns thick. a. 0.3333 b. 0.6667 J c. 0.5000 d. 0.3000 6. Which of the following situations describes a binomial random variable? a. You play two games against the same opponent. The probability that you win the first game is 0.4. If you win the first game, the probability you also win the second game is 0.2. You are interested in the probability that you will win both games? b. A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 18% of students attend Tet festivities. You are interested in the number of students who will attend the festivities. A consumer looking to buy a used red Miata car will call dealerships until she finds a dealership that carries the car. She estimates the probability that any independent dealership will have the car will be 28%. You are interested in the number of dealerships she must call. d. The switchboard in a Minneapolis law office gets an average of 5.5 incoming phone calls during the noon hour on Mondays. Experience shows that the existing staff can handle up to six calls in an hour. You are interested in the number of calls received at noon.
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