The 2010 U.S. Census found the chance of a household being a certain size. The data is in the pmf below ("Households by age," 2013). Let X be the number (size) in a household. E(X)= k·P(X = k) 7 (or more) P(X=k) 0.267 0.336 0.158 0.137 0.063 0.024 0.015 k 1 2 3 5 6 a) The probability of a household size being more than 5, P(X> 5) = % b) In the long run, we are expected to see a household size of, E(X)= on average. Round answer to three decimal places. c) The probability that the size of a household is equal to two is %. d) The probability of a household size being three OR six is %.
The 2010 U.S. Census found the chance of a household being a certain size. The data is in the pmf below ("Households by age," 2013). Let X be the number (size) in a household. E(X)= k·P(X = k) 7 (or more) P(X=k) 0.267 0.336 0.158 0.137 0.063 0.024 0.015 k 1 2 3 5 6 a) The probability of a household size being more than 5, P(X> 5) = % b) In the long run, we are expected to see a household size of, E(X)= on average. Round answer to three decimal places. c) The probability that the size of a household is equal to two is %. d) The probability of a household size being three OR six is %.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter2: Exponential, Logarithmic, And Trigonometric Functions
Section2.CR: Chapter 2 Review
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![The 2010 U.S. Census found the chance of a household being a
certain size. The data is in the pmf below ("Households by age,"
2013). Let X be the number (size) in a household.
E(X) = k·P(X = k)
7 (or
more)
P(X=k) 0.267 0.336 0.158 0.137 0.063 0.024 0.015
k
1
2
3
5
6
a) The probability of a household size being more than 5,
P(X > 5) =
%
b) In the long run, we are expected to see a household size of,
E(X)=
on average. Round answer to three decimal
places.
c) The probability that the size of a household is equal to two is
%.
d) The probability of a household size being three OR six is
%.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff5f3d717-430b-4c17-9d2a-b85bcd526d4a%2Ff35566de-dedf-49f8-b951-7c3a2e5e9427%2Fo8ldl0d_processed.png&w=3840&q=75)
Transcribed Image Text:The 2010 U.S. Census found the chance of a household being a
certain size. The data is in the pmf below ("Households by age,"
2013). Let X be the number (size) in a household.
E(X) = k·P(X = k)
7 (or
more)
P(X=k) 0.267 0.336 0.158 0.137 0.063 0.024 0.015
k
1
2
3
5
6
a) The probability of a household size being more than 5,
P(X > 5) =
%
b) In the long run, we are expected to see a household size of,
E(X)=
on average. Round answer to three decimal
places.
c) The probability that the size of a household is equal to two is
%.
d) The probability of a household size being three OR six is
%.
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![d) The probability of a household size being three OR six is
%.](https://content.bartleby.com/qna-images/question/f5f3d717-430b-4c17-9d2a-b85bcd526d4a/75625dbd-f091-4ded-88e7-f6a6bbe0f68f/c8ywc7_thumbnail.png)
Transcribed Image Text:d) The probability of a household size being three OR six is
%.
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