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

Author Question: A videotape store has an average weekly gross of 1,158 with a standard deviation of 120 . Let x be ... (Read 123 times)

lidoalex

  • Hero Member
  • *****
  • Posts: 538
on: Jun 24, 2018
A videotape store has an average weekly gross of 1,158 with a standard deviation of 120 . Let x be the store's gross during a randomly selected week. If this is a normally distributed random variable, then the number of standard deviations from 1,158 to 1,360 is:
 a. 0.4535.
  b. 0.0465.
  c. 20.98.
  d. 1.683.
  e. none of these.

Question 2

Which of the following is not a characteristic for a normal distribution?
 a. It is symmetrical distribution
  b. The mean is always zero
  c. The mean, median, and mode are all equal
  d. It is a bell-shaped distribution
  e. The area under the curve always equals 1.0


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

polinasid

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

B


lidoalex

  • Member
  • Posts: 538
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

A standard employment application form may be used. A standard employment application form may be used.
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments. a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments.
Overallocation of Labor to Farming When Farmworkers Are Paid Their Average Product Overallocation of Labor to Farming When Farmworkers Are Paid Their Average Product
Gross anatomy of the male reproductive organs Gross anatomy of the male reproductive organs
Average Distribution of Incoming Solar Radiation Average Distribution of Incoming Solar Radiation
Video: Muscular Dystrophy

For a complete list of videos, visit our video library