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Author Question: In a particular town, 20 of the homes have monitored security systems. If an alarm is triggered, the ... (Read 110 times)

joblessjake

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on: Jul 24, 2018
In a particular town, 20 of the homes have monitored security systems. If an alarm is triggered, the security system company will contact the local police to alert them of the alarm.
 
  Of all the alarm calls that the local police receive, they only have the manpower to answer 30 of the calls. Suppose we randomly sample one home that was broken into over the last month from this town. What is the probability that this home has a monitored security system and that the police answered the alarm call?
  A) 0.0600 B) 0.2000 C) 0.3000 D) 0.9400

Question 2

The amount of television viewed by today's youth is of primary concern to Parents Against Watching Television (PAWT).
 
  Three hundred parents of elementary school-aged children were asked to estimate the number of hours per week that their child watches television. The upper quartile for the distribution was given as 17 hours. Interpret this value.


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memslove

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Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

75 of the TV viewing times are less than 17 hours per week. 25 of the times exceed 17 hours per week.


joblessjake

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Reply #2 on: Jul 24, 2018
TY


memslove

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Reply #3 on: Jul 24, 2018
You're welcome


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