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

Author Question: Calculate the sample standard deviation. What will be an ideal ... (Read 108 times)

sam.t96

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
Calculate the sample standard deviation.
 
  What will be an ideal response?

Question 2

The time it takes to assemble an electronic component is normally distributed with a mean of 17.2 minutes and a standard deviation of 3.1 minutes. The probability is 90 that it will take at least how long to assemble a component?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jun 24, 2018
Answer to Question 1

s = 0.70

Answer to Question 2

P(X > k) = 0.90  PZ > (k - 17.2 )/3.1 = 0.90 (k - 17.2 ) /3.1 = -1.28,  k = 13.23 minutes


sam.t96

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jun 24, 2018
Thank you :)


ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh
William Morris, Page from a specimen book with sample proof letters, Kelmscott Press. William Morris, Page from a specimen book with sample proof letters, Kelmscott Press.
How to calculate RRSP using the annuity formula How to calculate RRSP using the annuity formula
A karyotype arranges the chromosomes in a standard format A karyotype arranges the chromosomes in a standard format
Sample Inclusion for Various s Sample Inclusion for Various s
The distribution of the number of hours that a random sample of people spend doing chores per ... The distribution of the number of hours that a random sample of people spend doing chores per ...
Video: Coronary Heart Disease

For a complete list of videos, visit our video library