The accompanying data represent the ideal number of children for a random sample of 900 adults. Complete parts (a) through (d) below. E Click the icon to view the data about ideal numbers of children ..... x (E OT children) PIX) 1 3. 4. 5 6. (Round to three decimal places as needed.) (b) Draw a graph of the probability distribution. Choose the correct graph below. OB. OC. OD. Ideal Number of Children Ideal Number of Children Ideal Number of Children Ideal Number of Children 06 06 0.6 3041 0. 01234S 6 Number of Children 61234 56 Number of Children Number of Children Number of Children (c) Compute and interpret the mean of the random variable X - X Ideal number of children data The mean is children. (Round to one decimal place as needed.) Which of the following interpretations of the mean is correct? x (# of children) Frequency 29 O A. Il many adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable. O B. If any number of adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable. 2. 510 3 257 74 18 3 OC. The observed ideal number of children will be equal to the mean ideal number of children for most adults 5 O D. The observed ideal number of children will be less than the mean ideal number of children for most adults. (d) Compute the standard deviation of the random varlable X The standard deviation is children. (Round to one decimal place as needed.) Print Done O Time Rea
The accompanying data represent the ideal number of children for a random sample of 900 adults. Complete parts (a) through (d) below. E Click the icon to view the data about ideal numbers of children ..... x (E OT children) PIX) 1 3. 4. 5 6. (Round to three decimal places as needed.) (b) Draw a graph of the probability distribution. Choose the correct graph below. OB. OC. OD. Ideal Number of Children Ideal Number of Children Ideal Number of Children Ideal Number of Children 06 06 0.6 3041 0. 01234S 6 Number of Children 61234 56 Number of Children Number of Children Number of Children (c) Compute and interpret the mean of the random variable X - X Ideal number of children data The mean is children. (Round to one decimal place as needed.) Which of the following interpretations of the mean is correct? x (# of children) Frequency 29 O A. Il many adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable. O B. If any number of adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable. 2. 510 3 257 74 18 3 OC. The observed ideal number of children will be equal to the mean ideal number of children for most adults 5 O D. The observed ideal number of children will be less than the mean ideal number of children for most adults. (d) Compute the standard deviation of the random varlable X The standard deviation is children. (Round to one decimal place as needed.) Print Done O Time Rea
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
![The accompanying data represent the ideal number of children for a random sample of 900 adults. Complete parts (a) through (d) below.
Click the icon to view the data about ideal numbers of children.
画
X (# of children)
P[X]
1
2
3
4
(Round to three decimal places as needed.)
(b) Draw a graph of the probability distribution. Choose the correct graph below.
O A.
O B.
OC.
OD.
Ideal Number
of Children
Ideal Number
of Children
Ideal Number
of Children
Ideal Number
of Children
0.6-
0.5
0.4
0.3-
0.2-
0.1
0.6-
0.5-
0.6
0.5
0.4-
0.3
0.2
01-
0.6
0.5
0.4-
0.3-
0.2-
P 0.1-
0.3-
0.2-
0.1
0123456
0 123456
0 123456
0 12345 6
Number of Children
Number of Children
Number of Children
Number of Children
(c) Compute and interpret the mean of the random variable X.
Ideal number of children data
The mean is
children.
(Round to one decimal place as needed.)
Which of the following interpretations of the mean is correct?
x (# of children) Frequency O
O A. If many adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable.
29
510
O B. If any number of adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable.
257
O C. The observed ideal number of children will be equal to the mean ideal number of children for most adults.
74
18
O D. The observed ideal number of children will be less than the mean ideal number of children for most adults.
(d) Compute the standard deviation of the random variable X.
The standard deviation is
children.
(Round to one decimal place as needed.)
Print
Done
O Time Re
耳
TCOA2334403
U 10-8-2014
MAIN
TCOA2330401
Probability
Probability
Probability
O123456
Probability](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F993846b8-fce5-49b6-a303-b359ec060b0f%2F3e82d346-edeb-4bcd-9473-9288331b86fd%2F6xn3wtk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The accompanying data represent the ideal number of children for a random sample of 900 adults. Complete parts (a) through (d) below.
Click the icon to view the data about ideal numbers of children.
画
X (# of children)
P[X]
1
2
3
4
(Round to three decimal places as needed.)
(b) Draw a graph of the probability distribution. Choose the correct graph below.
O A.
O B.
OC.
OD.
Ideal Number
of Children
Ideal Number
of Children
Ideal Number
of Children
Ideal Number
of Children
0.6-
0.5
0.4
0.3-
0.2-
0.1
0.6-
0.5-
0.6
0.5
0.4-
0.3
0.2
01-
0.6
0.5
0.4-
0.3-
0.2-
P 0.1-
0.3-
0.2-
0.1
0123456
0 123456
0 123456
0 12345 6
Number of Children
Number of Children
Number of Children
Number of Children
(c) Compute and interpret the mean of the random variable X.
Ideal number of children data
The mean is
children.
(Round to one decimal place as needed.)
Which of the following interpretations of the mean is correct?
x (# of children) Frequency O
O A. If many adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable.
29
510
O B. If any number of adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable.
257
O C. The observed ideal number of children will be equal to the mean ideal number of children for most adults.
74
18
O D. The observed ideal number of children will be less than the mean ideal number of children for most adults.
(d) Compute the standard deviation of the random variable X.
The standard deviation is
children.
(Round to one decimal place as needed.)
Print
Done
O Time Re
耳
TCOA2334403
U 10-8-2014
MAIN
TCOA2330401
Probability
Probability
Probability
O123456
Probability
Transcribed Image Text:The accompanying data represent the ideal number of children for a random sample of 900 adults. Complete parts (a) through (d) below.
Click the icon to view the data about ideal numbers of children.
.....
(a) Construct a discrete probability distribution for the random variable x.
x (# of children) P(x)
0.
1
2
3
4.
(Round to three decimal places as needed.)
(b) Draw a graph of the probability distribution. Choose the correct graph below.
O A.
B.
C.
O D.
Ideal Number
of Children
Ideal Number
of Children
Ideal Number
of Children
Ideal Number
of Children
06
0.6-
0.6
05
04-
03-
0.2-
01-
0.6
0.5
0.4-
0.3-
0.2-
0.1-
0.4-
0 123
012345 6
Number of Children
56
0 i23 4 5
Number of Children
Number of Children
Number of Childre
(c) Compute and interpret the mean of the random variable X.
The mean is
children.
(Round to one decimal place as needed.)
Which of the following interpretations of the mean is correct?
O A. Il many adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable.
O B. If any number of adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable.
O C. The observed ideal number of children will be equal to the mean ideal number of children for most adults.
D. The observed ideal number of children will be less than the mean ideal number of children for most adults.
(d) Compute the standard deviation of the random variable X.
# . J e i e
TCOA2334403
MAIN
Probability
Probability
8000000
Probability
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