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 42 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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

For a complete list of videos, visit our video library