This topic contains a solution. Click here to go to the answer

Author Question: A student scores 74 on a geography test and 249 on a mathematics test. The geography test has a mean ... (Read 205 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
A student scores 74 on a geography test and 249 on a mathematics test. The geography test has a mean of 80 and a standard deviation of 5. The mathematics test has a mean of 300 and a standard deviation of 34.
 
  If the data for both tests are normally distributed, on which test did the student score better relative to the other students in each class?
  A) The student scored better on the mathematics test.
  B) The student scored better on the geography test.
  C) The student scored the same on both tests.

Question 2

Jim buys his school supplies in bulk. On one particular shopping trip he bought 5 red pens at 1.29 each, 3 blue pens at 1.49 each, 6 green pens at 1.79 each and 9 black pens at 0.99 each. What was the average cost of a pen?
 
  A) 1.39 B) 1.33 C) 1.29 D) 0.99



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Mholman93

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

B

Answer to Question 2

B




plus1

  • Member
  • Posts: 676
Reply 2 on: Jul 25, 2018
Great answer, keep it coming :)


bigcheese9

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

For a complete list of videos, visit our video library