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

Author Question: A student scores 56 on a geography test and 267 on a mathematics test. The geography test has a mean ... (Read 544 times)

kwoodring

  • Hero Member
  • *****
  • Posts: 560

Question 1

A set of data items is normally distributed with a mean of 500. Find the data item in this distribution that corresponds to the given z-score.

z = -3, if the standard deviation is 30.
◦ 590
◦ 470
◦ 410
◦ 497

Question 2

A student scores 56 on a geography test and 267 on a mathematics test. The geography test has a mean of 80 and a standard deviation of 20. The mathematics test has a mean of 300 and a standard deviation of 22. If the data for both tests are normally distributed, on which test did the student score better?
◦ The student scored the same on both tests.
◦ The student scored better on the geography test.
◦ The student scored better on the mathematics test.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by kwoodring on Feb 2, 2020

cam1229

  • Sr. Member
  • ****
  • Posts: 329
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly




kwoodring

  • Member
  • Posts: 560
Reply 2 on: Feb 2, 2020
Thanks for the timely response, appreciate it


meow1234

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

 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

For a complete list of videos, visit our video library