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

Author Question: The p-value a. is the same as the Z statistic b. measures the number of standard deviations from ... (Read 117 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
on: Jun 24, 2018
The p-value
 a. is the same as the Z statistic
  b. measures the number of standard deviations from the mean
  c. is a distance
  d. is a probability

Question 2

In order to estimate the average electric usage per month, a sample of 196 houses was selected, and their electric usage determined.
 a. Assume a population standard deviation of 350-kilowatt hours. Determine the standard error of the mean.
  b. With a 0.95 probability, determine the margin of error.
  c. If the sample mean is 2,000 KWH, what is the 95 confidence interval estimate of the population mean?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

a. 25
b. 49
c. 1951 to 2049


abarnes

  • Member
  • Posts: 556
Reply 2 on: Jun 24, 2018
Excellent

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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?

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.

Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds
The relationship between air temperature and two measures of water vapour saturation of air. The relationship between air temperature and two measures of water vapour saturation of air.
History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
Number Number
Which of the following is the most reasonable estimate of the number of characters (typed ... Which of the following is the most reasonable estimate of the number of characters (typed ...
What is the minimum number of straight, continuous lines that are necessary to c What is the minimum number of straight, continuous lines that are necessary to c
Video: Mendel's Pea Experiment

For a complete list of videos, visit our video library