Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 1 3 4 Probability 0.647 0.222 0.085 0.024 0.015 0.007 (a) Find the mean, variance, and standard deviation of the probability distribution. Find the mean of the probability distribution. u= 0.6 (Round to one decimal place as needed.) Find the variance of the probability distribution. o = 0.9 (Round to one decimal place as needed.) Find the standard deviation of the probability distribution. o = 0.9 (Round to one decimal place as needed.) (b) Interpret the results in the context of the real-life situation. O A. A household on average has 0.6 dog with a standard deviation of 0.9 dog. O B. A household on average has 0.9 dog with a standard deviation of 0.9 dog. O C. A household on average has 0.9 dog with a standard deviation of 0.6 dog. O D. A household on average has 0.6 dog with a standard deviation of 14 dogs.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 18HP
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Complete parts (a) and (b) below.
The number of dogs per household in a small town
Dogs
3
4
Probability
0.647
0.222
0.085
0.024
0.015
0.007
(a) Find the mean, variance, and standard deviation of the probability distribution.
Find the mean of the probability distribution.
u= 0.6 (Round to one decimal place as needed.)
Find the variance of the probability distribution.
o = 0.9 (Round to one decimal place as needed.)
Find the standard deviation of the probability distribution.
o = 0.9 (Round to one decimal place as needed.)
(b) Interpret the results in the context of the real-life situation.
O A. A household on average has 0.6 dog with a standard deviation of 0.9 dog.
O B. A household on average has 0.9 dog with a standard deviation of 0.9 dog.
O C. A household on average has 0.9 dog with a standard deviation of 0.6 dog.
O D. A household on average has 0.6 dog with a standard deviation of 14 dogs.
Transcribed Image Text:Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 3 4 Probability 0.647 0.222 0.085 0.024 0.015 0.007 (a) Find the mean, variance, and standard deviation of the probability distribution. Find the mean of the probability distribution. u= 0.6 (Round to one decimal place as needed.) Find the variance of the probability distribution. o = 0.9 (Round to one decimal place as needed.) Find the standard deviation of the probability distribution. o = 0.9 (Round to one decimal place as needed.) (b) Interpret the results in the context of the real-life situation. O A. A household on average has 0.6 dog with a standard deviation of 0.9 dog. O B. A household on average has 0.9 dog with a standard deviation of 0.9 dog. O C. A household on average has 0.9 dog with a standard deviation of 0.6 dog. O D. A household on average has 0.6 dog with a standard deviation of 14 dogs.
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