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

Author Question: For some value of z, the probability that a standard normal variable is below z is 0.2090 . The ... (Read 21 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Jul 24, 2018
For some value of z, the probability that a standard normal variable is below z is 0.2090 . The value of z is:
 a. 0.81
  b. 0.31
  c. 0.31
  d. 1.96
  e. 1.62

Question 2

When the necessary conditions are met, a two-tail test is being conducted to test the difference between two population proportions. If the value of the test statistic is 2.05, then the p-value is:
 a. 0.4798
  b. 0.0404
  c. 0.2399
  d. 0.0202
  e. 0.1982


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


NguyenJ

  • Member
  • Posts: 516
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti
Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen. Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen.
Normal bone versus bone with osteoporosis. Normal bone versus bone with osteoporosis.
Normal karyotype. Normal karyotype.
Cumulative Standard Normal Distribution Cumulative Standard Normal Distribution
Probability math jk Probability math jk
Video: Chronology of leptin research (A history of leptin research)

For a complete list of videos, visit our video library