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 47 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
Wow, this really help

Kedrick2014

  • Member
  • Posts: 359
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The FDA recognizes 118 routes of administration.

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.

A very high-resolution texture of the Moon, including a normal map A very high-resolution texture of the Moon, including a normal map
Density of Papillae, and Hence Taste Buds, in a Supertaster and in a Normal Taster Density of Papillae, and Hence Taste Buds, in a Supertaster and in a Normal Taster
How to manually find the mean, variance, and standard deviation for a set of numbers How to manually find the mean, variance, and standard deviation for a set of numbers
Normal and thermal inversion air masses interaction Normal and thermal inversion air masses interaction
Probability question Probability question
Calculation of Joint Probability of a Genotype Based on Seven CODIS STR Markers Calculation of Joint Probability of a Genotype Based on Seven CODIS STR Markers
Video: Mendel's Pea Experiment

For a complete list of videos, visit our video library