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

Author Question: If the standard normal deviate of a random variable value of x = 2 is z = 2, while the standard ... (Read 37 times)

madam-professor

  • Hero Member
  • *****
  • Posts: 584
on: Jul 24, 2018
If the standard normal deviate of a random variable value of x = 2 is z = 2, while the standard deviation of the random variable x equals 2, then the mean of x is:
 a. 6
  b. 4
  c. 8
  d. 2
  e. 0

Question 2

If you wish to estimate the difference between two population means using two independent large samples, the 90 confidence interval estimate can be constructed using which of the following critical values?
 a. 1.96
  b. 2.33
  c. 2.58
  d. 1.645
  e. 1.28


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Brenm

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

D


madam-professor

  • Hero Member
  • *****
  • Posts: 584
Reply #2 on: Jul 24, 2018
TY


Brenm

  • Sr. Member
  • ****
  • Posts: 359
Reply #3 on: Jul 24, 2018
You're welcome


« previous next »
 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Betelgeuse is a semiregular variable star Betelgeuse is a semiregular variable star
Refraction; A, normal eye; B, myopia; C, hyperopia. Refraction; A, normal eye; B, myopia; C, hyperopia.
Normal combustion is a smooth, controlled burning of the air–fuel mixture. Normal combustion is a smooth, controlled burning of the air–fuel mixture.
A gauge reading with the needle fluctuating 3 to 9 inches Hg below normal often indicates a vacuum ... A gauge reading with the needle fluctuating 3 to 9 inches Hg below normal often indicates a vacuum ...
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 nerve conduction of Sodium ion Normal nerve conduction of Sodium ion
Video: Introduction to Herpes

For a complete list of videos, visit our video library