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

Author Question: The median score for the final exam in a chemistry class was 75 and 18 of the students received a ... (Read 183 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
on: Jun 24, 2018
The median score for the final exam in a chemistry class was 75 and 18 of the students received a grade greater than 80.
 
  If the test scores were normally distributed, what is the probability that a randomly selected exam had a score between 75 and 80?A) 68
  B) 32
  C) 80
  D) 50

Question 2

Initial estimates of the probabilities of events are known as:
 
  A) joint probabilities.
  B) posterior probabilities.
  C) prior probabilities.
  D) conditional probabilities.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

deja

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


ARLKQ

  • Member
  • Posts: 571
Reply 2 on: Jun 24, 2018
Wow, this really help

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

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.

Biology class derp Biology class derp
Median Annual Earnings of Full-Time Workers, by Gender, 1960–2010 Median Annual Earnings of Full-Time Workers, by Gender, 1960–2010
MHC Class I and Class II Molecules MHC Class I and Class II Molecules
Chemistry Vector Icon Chemistry Vector Icon
Chemistry - Problem Solving Chemistry - Problem Solving
Lod Score Values for the Families in Figure 5.15 Lod Score Values for the Families in Figure 5.15
Video: Epidural Hematoma

For a complete list of videos, visit our video library