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In: Statistics and Probability
The American Housing Survey reported the following data on the number of times that owner-occupied and...
The American Housing Survey reported the following data on the number of times that owner-occupied and renter-occupied units had a water supply stoppage lasting 6 or more hours in the past 3 months. Number of Houses (1000s) Number of Times Owner Occupied Renter Occupied 0 547 23 1 5,012 541 2 6,110 3,734 3 2,544 8,660 4 times or more 557 3,784 Do not round intermediate calculations. Round your answers to two decimal places. a. Define a random variable x = number of times that owner-occupied units had a water supply stoppage lasting 6 or more hours in the past 3 months and develop a probability distribution for the random variable. (Let x = 4 represent 4 or more times.) x f(x) 0 .96 1 .9 2 .62 3 .23 4 .13 Total 2.84 b. Compute the expected value and variance for x. Total E(x) Var(x) c. Define a random variable y = number of times that renter-occupied units had a water supply stoppage lasting 6 or more hours in the past 3 months and develop a probability distribution for the random variable. (Let y = 4 represent 4 or more times.) y f(y) 0 1 2 3 4 Total d. Compute the expected value and variance for y. Total E(y) Var(y)
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orchestra answered 2 years agoRelated Solutions
The American Housing Survey reported the following data on the number of times that owner-occupied and...
The American Housing Survey reported the following data on the
number of times that owner-occupied and renter-occupied units had a
water supply stoppage lasting 6 or more hours in the past 3
months.
Number of Houses (1000s)
Number of Times
Owner Occupied
Renter Occupied
0
549
23
1
5,012
542
2
6,100
3,734
3
2,544
8,690
4 times or more
558
3,783
Do not round intermediate calculations. Round your answers to
two decimal places.
a. Define a random variable x...
The American Housing Survey reported the following data on the number of times that owner-occupied and...
The American Housing Survey reported the following data on the
number of times that owner-occupied and renter-occupied units had a
water supply stoppage lasting 6 or more hours in the past 3
months.
Number of Houses (1000s)
Number of Times
Owner Occupied
Renter Occupied
0
549
23
1
5,012
542
2
6,100
3,734
3
2,544
8,690
4 times or more
558
3,783
Do not round intermediate calculations. Round your answers to
two decimal places.
a. Define a random variable x...
"A survey published in the American Journal of Sports Medicine2 reported the number of meters (m)...
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reported the number of meters (m) per week swam by two groups of
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breaststroke was recorded for each swimmer, and the summary
statistics are given below. Is there sufficient evidence to indicate
that the average number of meters per week spent practicing
breaststroke is greater...
The American Community Survey is a survey that uses U.S. census data to compile information on...
The American Community Survey is a survey that uses U.S. census
data to compile information on various characteristics of the U.S.
population. Here are statistics that I would like you to analyze
from a sample of states.
The independent variable (x-variable) is the percent of the
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The American Community Survey is a survey that uses U.S. census data to compile information on...
The American Community Survey is a survey that uses U.S. census
data to compile information on various characteristics of the U.S.
population. Here are statistics that I would like you to analyze
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the percent of the state population living below the poverty level.
The dependent variable (y-variable) is the state infant mortality
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Given the following data of temperature (x) and the number of times a cricket chirps in...
Given the following data of temperature (x) and the number of
times a cricket chirps in a second (y), run regression analysis and
state the regression equation as long as there is a statistically
significant linear relationship between the variables.
Cricket Chirps per Second
Temperature (F)
20
88.6
16
71.6
19.8
93.3
18.4
84.3
17.1
80.6
15.5
75.2
14.7
69.7
17.1
82
15.4
69.4
16.2
83.3
15
79.6
17.2
82.6
16
80.6
17
83.5
14.4
76.3
A certain forum reported that in a survey of 2004 American adults, 28% said they believed...
A certain forum reported that in a survey of 2004 American
adults, 28% said they believed in astrology.
(a) Calculate a confidence interval at the 99% confidence level
for the proportion of all adult Americans who believe in astrology.
(Round your answers to three decimal places.) ,
According to the Housing Mobility section of the General Social Survey, Victoria, 2006 (ABS, Catalogue Number:...
According to the Housing Mobility section of the General
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a. Construct a pie chart . b. Interpret your pie
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1. . In a survey of 1000 American adults conducted in April 2012, 430 reported having...
1. . In a survey of 1000 American adults conducted in
April 2012, 430 reported having gone through an entire week without
paying for anything in cash. Test at 1% significance level to see
if this sample provides evidence that the proportion of all
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The following data set is from a survey of the weekly number of hours spent exercising...
The following data set is from a survey of the weekly number of
hours spent exercising for 40 high school students.
8
10
14
3
11
9
11
5
11
17
13
11
9
13
6
8
10
15
3
10
13
12
15
13
12
5
1
7
5
7
9
5
5
10
9
12
2
7
6
8
a) Put in order the data set and determine the mean, median and
mode.
b) Calculate the bin width...
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