A recent survey shows that 10% of households in San Bernardino county installed security system at home in 2022. You randomly selected 6 households in San Bernardino county and asked whether they had installed security system at home in 2022. (1) How many outcomes are there in the sample space? Consider one outcome could be Yes No No No No No, i.e. the first household responded Yes, installed security system in 2022 and all the other five responded No. 64 Let X denote the number of household(s) that installed security system in 2022 among the 6 households you sampled. (2) How many possible values are there that for X? 7 (3) What's the probability that X = 1? ✓ [Select]

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
A recent survey shows that 10% of households in San Bernardino county installed security system
at home in 2022. You randomly selected 6 households in San Bernardino county and asked
whether they had installed security system at home in 2022.
(1) How many outcomes are there in the sample space?
Consider one outcome could be Yes No No No No No,
i.e. the first household responded Yes, installed security system in 2022 and all the other five
responded No.
64
Let X denote the number of household(s) that installed security system in 2022 among the 6
households you sampled.
(2) How many possible values are there that for X?
7
(3) What's the probability that X = 1?
✓ [Select]
0.354
0.06
Transcribed Image Text:A recent survey shows that 10% of households in San Bernardino county installed security system at home in 2022. You randomly selected 6 households in San Bernardino county and asked whether they had installed security system at home in 2022. (1) How many outcomes are there in the sample space? Consider one outcome could be Yes No No No No No, i.e. the first household responded Yes, installed security system in 2022 and all the other five responded No. 64 Let X denote the number of household(s) that installed security system in 2022 among the 6 households you sampled. (2) How many possible values are there that for X? 7 (3) What's the probability that X = 1? ✓ [Select] 0.354 0.06
households you sampled.
(2) How many possible values are there that for X?
7
(3) What's the probability that X = 1?
[Select]
ehold(s) that installed security system in 2022 among the 6
(4) What is the expected value of X?
[Select]
(5) What is the variance of X?
[Select]
Transcribed Image Text:households you sampled. (2) How many possible values are there that for X? 7 (3) What's the probability that X = 1? [Select] ehold(s) that installed security system in 2022 among the 6 (4) What is the expected value of X? [Select] (5) What is the variance of X? [Select]
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