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 207 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
:D TYSM


daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Gracias!

 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

For a complete list of videos, visit our video library