« previous next »

Author Question: Of the last 100 customers entering a computer shop, 25 have purchased a computer. If the relative ... (Read 132 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jun 24, 2018
Of the last 100 customers entering a computer shop, 25 have purchased a computer. If the relative frequency method for computing probability is used, the probability that the next customer will purchase a computer is _____.
 a. .25
  b. .50
  c. 1
  d. .75

Question 2

Computer Services, Inc wants to determine a confidence interval for the average CPU time of their teleprocessing transactions. A sample of 64 transactions yielded a mean of 6 seconds with a standard deviation of .8 seconds. Determine a 98 confidence interval for the average CPU time of all the teleprocessing transactions.


makaylafy

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

5.761 to 6.239 seconds (rounded)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

One way to think about the different phases or stages of adulthood is in terms of the relative ... One way to think about the different phases or stages of adulthood is in terms of the relative ...
Connect shop air to the canister and adjust the air pressure regulator to the desired setting. ... Connect shop air to the canister and adjust the air pressure regulator to the desired setting. ...
A vacuum-operated EGR valve. The vacuum to the EGR valve is computer controlled by the EGR valve ... A vacuum-operated EGR valve. The vacuum to the EGR valve is computer controlled by the EGR valve ...
IPCC Temperature Increase Predictions Relative to 1986-2005 IPCC Temperature Increase Predictions Relative to 1986-2005
Relative lifetime risk of schizophrenia Relative lifetime risk of schizophrenia
Students working around a computer Students working around a computer
Video: Premenstrual Syndrome

For a complete list of videos, visit our video library