This topic contains a solution. Click here to go to the answer

Author Question: In a particular town, 20 of the homes have monitored security systems. If an alarm is triggered, the ... (Read 107 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

memslove

  • Sr. Member
  • ****
  • Posts: 321
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.





 

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

For a complete list of videos, visit our video library