Author Question: At a tennis tournament a statistician keeps track of every serve. The statistician reported that the ... (Read 79 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
At a tennis tournament a statistician keeps track of every serve. The statistician reported that the mean serve speed of a particular player was 98 miles per hour (mph) and the standard deviation of the serve speeds was 14 mph.
 
  If nothing is known about the shape of the distribution, give an interval that will contain the speeds of at least eight-ninths of the players serves. A) 56 mph to 140 mph B) 70 mph to 126 mph
  C) 42 mph to 154 mph D) 140 mph to 182 mph

Question 2

the age of the oldest dog in a kennel
 
  A) continuous B) discrete



millet

  • Sr. Member
  • ****
  • Posts: 354
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

For a complete list of videos, visit our video library