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

Author Question: Merta reports that 74 of its trains are on time. A check of 60 randomly selected trains shows that ... (Read 255 times)

hbsimmons88

  • Hero Member
  • *****
  • Posts: 526
on: Aug 1, 2018
Merta reports that 74 of its trains are on time. A check of 60 randomly selected trains shows that 38 of them arrived on time.
 
  Find the probability that among the 60 trains, 38 or fewer arrive on time. Based on the result, does it seem plausible that the on-time rate of 74 could be correct?
  A) 0.0409 , yes B) 0.0316 , no C) 0.0316 , yes D) 0.0409 , no

Question 2

The number of freshmen in the required course, English 101
 
  A) Continuous B) Discrete


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigcheese9

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Aug 1, 2018
Answer to Question 1

D

Answer to Question 2

B


hbsimmons88

  • Hero Member
  • *****
  • Posts: 526
Reply #2 on: Aug 1, 2018
Thank you!


bigcheese9

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Aug 1, 2018
Always glad to help...


« previous next »
 

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?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Harriet Beecher Stowe’s novel, Uncle Tom’s Cabin, became a staple of the mid-nineteenth-century thea Harriet Beecher Stowe’s novel, Uncle Tom’s Cabin, became a staple of the mid-nineteenth-century thea
Selected Opioid Analgesic Comparison Selected Opioid Analgesic Comparison
Selected Complications of Total Parenteral Nutrition Selected Complications of Total Parenteral Nutrition
Accumulation of toxicants over time and up the food chain Accumulation of toxicants over time and up the food chain
Calories in Selected Alcoholic Drinks Calories in Selected Alcoholic Drinks
The Hfr chromosome time-of-entry map is assembled from the recombinant data The Hfr chromosome time-of-entry map is assembled from the recombinant data
Video: Electrical Conduction System of the Heart

For a complete list of videos, visit our video library