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 73 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?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

For a complete list of videos, visit our video library