This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The lifetimes of electronic components have a mean equal to 2.5 years and a standard deviation equal ... (Read 94 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
on: Jul 24, 2018
The lifetimes of electronic components have a mean equal to 2.5 years and a standard deviation equal to 0.2 years. Within what time interval will at least 75 of the lifetimes fall?

Question 2

Complete the following statement: According to the Empirical Rule, ________ of the data for any distribution will occur within one standard deviations of the mean of the distribution.
 Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blakcmamba

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 24, 2018
Answer to Question 1

2.1 years to 2.9 years

Answer to Question 2

68


Tazate

  • Hero Member
  • *****
  • Posts: 532
Reply #2 on: Jul 24, 2018
Thank you!


blakcmamba

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 24, 2018
Always glad to help...


« previous next »
 

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Comparison of Paper Medical Records and Electronic Health Records Comparison of Paper Medical Records and Electronic Health Records
A physician uses a portable electronic tablet to enter patient data while in the examination room. A physician uses a portable electronic tablet to enter patient data while in the examination room.
Preschool: 3–6 years. Preschool: 3–6 years.
Weber's Three Components Of Social Class Weber's Three Components Of Social Class
Climate change occurs over millions of years Climate change occurs over millions of years
A mortgage loan of $132,000 at 6% compounded semiannually is to be amortized over 25 years by ... A mortgage loan of $132,000 at 6% compounded semiannually is to be amortized over 25 years by ...
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library