10:37 0.49 2 0.24 0.07 0.04 Describe the random variable Xin word. O Xis the number of total DVOS rented at the store Xis the number of DVVDS a customer owns Xis the number of times a single customer comes into the store O Xis the number of customers that come into the store. O Xis the number of DVDs a customer rents B Part Find the probability that a customer rents three DVDs. (Enter an exact number as an integer. fraction, or decimal) B Pat ie) Find the probability that a customer rents at least four DVDS. (Enter an exact number as an integer, fraction, or decimal) O Part id Find the probability hat a customer rents at most teo DVOS. (Enter an exact number as an integer fraction, or decimal) Submit Anwer -7 Points] MY NOTES ASK YOUR TEACHER DETAILS ILLOWSKYINTROSTAT1 4.2.073.HW. Complete the PDF. P(X - ) PX-) 0.1 0.4 0.2 OPart a
10:37 0.49 2 0.24 0.07 0.04 Describe the random variable Xin word. O Xis the number of total DVOS rented at the store Xis the number of DVVDS a customer owns Xis the number of times a single customer comes into the store O Xis the number of customers that come into the store. O Xis the number of DVDs a customer rents B Part Find the probability that a customer rents three DVDs. (Enter an exact number as an integer. fraction, or decimal) B Pat ie) Find the probability that a customer rents at least four DVDS. (Enter an exact number as an integer, fraction, or decimal) O Part id Find the probability hat a customer rents at most teo DVOS. (Enter an exact number as an integer fraction, or decimal) Submit Anwer -7 Points] MY NOTES ASK YOUR TEACHER DETAILS ILLOWSKYINTROSTAT1 4.2.073.HW. Complete the PDF. P(X - ) PX-) 0.1 0.4 0.2 OPart a
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![10:37
10.49
2 0.24
3
4 0.07
5
5 0.04
O Part (a)
Describe the random variable Xin words.
O Xis the number of total DVDS rented at the store.
O Xis the number of DVDS a customer owns.
O Xis the number of times a single customer comes into the store.
O Xis the number of customers that come into the store.
Xis the number of DVDS a customer rents.
O Part (b)
Find the probability that a customer rents three DVDS. (Enter an exact number as an integer, fraction, or decimal.)
O Part (c)
Find the probability that a customer rents at least four DVDS. (Enter an exact number as an integer, fraction, or decimal.)
O Part (d)
Find the probability that a customer rents at most two DVDS. (Enter an exact number as an integer, fraction, or decimal.)
Submt Answer
2. [-17 Points]
DETAILS
ILLOWSKYINTROSTAT1 4.2.073.HW.
MY NOTES
ASK YOUR TEACHER
Complete the PDF.
x P(X - x)
o 0.1
x- P(X - x)
1
0.4
2
3 0.2
O Part (a)
Find the probabity that X 2.
O Part (b)
3. [-14 Points]
DETAILS
ILLOWSKYINTROSTAT1 4.2.076.HW.
MY NOTES
ASK YOUR TEACHER
Suppose that 20,000 married adults in a country were randomly surveyed as to the number of children they have. The results are
compiled and are used as theoretical probabilities. Let X- the number of children married people have.
P(x)
XP(x)
0.15
0.25
0.35
3
4
0.10
0.05
6 (or more)
0.05
(a) Find the probability that a married adult has three children. (Enter your answer to two decimal places.)
(b) In words, what does the expected value in this example represent?
O the average number of children married adults in the country have
O the average number of children adults in the country have
O the number of children married adults in the country have
O the number of children adults in the country have
(c) Find the expected value. (Enter your answer to two decimal place.)
children
(d) Is it more likely that a married adult will have two to three children or four to six children? How do you know?
O it is more likely to have two to three children, with p = 0.35
O it is more likely to have four to six children, with p - 0.1
O it is more likely to have four to six children, with p = 0.8
A webassign.net](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb57e3f0a-2619-45f1-8fca-4e2ae37e5a8a%2F2910589f-e94e-473c-becb-b48bc4e62605%2Fm7ubb2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:10:37
10.49
2 0.24
3
4 0.07
5
5 0.04
O Part (a)
Describe the random variable Xin words.
O Xis the number of total DVDS rented at the store.
O Xis the number of DVDS a customer owns.
O Xis the number of times a single customer comes into the store.
O Xis the number of customers that come into the store.
Xis the number of DVDS a customer rents.
O Part (b)
Find the probability that a customer rents three DVDS. (Enter an exact number as an integer, fraction, or decimal.)
O Part (c)
Find the probability that a customer rents at least four DVDS. (Enter an exact number as an integer, fraction, or decimal.)
O Part (d)
Find the probability that a customer rents at most two DVDS. (Enter an exact number as an integer, fraction, or decimal.)
Submt Answer
2. [-17 Points]
DETAILS
ILLOWSKYINTROSTAT1 4.2.073.HW.
MY NOTES
ASK YOUR TEACHER
Complete the PDF.
x P(X - x)
o 0.1
x- P(X - x)
1
0.4
2
3 0.2
O Part (a)
Find the probabity that X 2.
O Part (b)
3. [-14 Points]
DETAILS
ILLOWSKYINTROSTAT1 4.2.076.HW.
MY NOTES
ASK YOUR TEACHER
Suppose that 20,000 married adults in a country were randomly surveyed as to the number of children they have. The results are
compiled and are used as theoretical probabilities. Let X- the number of children married people have.
P(x)
XP(x)
0.15
0.25
0.35
3
4
0.10
0.05
6 (or more)
0.05
(a) Find the probability that a married adult has three children. (Enter your answer to two decimal places.)
(b) In words, what does the expected value in this example represent?
O the average number of children married adults in the country have
O the average number of children adults in the country have
O the number of children married adults in the country have
O the number of children adults in the country have
(c) Find the expected value. (Enter your answer to two decimal place.)
children
(d) Is it more likely that a married adult will have two to three children or four to six children? How do you know?
O it is more likely to have two to three children, with p = 0.35
O it is more likely to have four to six children, with p - 0.1
O it is more likely to have four to six children, with p = 0.8
A webassign.net
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