This topic contains a solution. Click here to go to the answer

Author Question: Given that Z is a standard normal random variable, P(Z > 1.58) is: a. 0.4429 b. 0.0571 c. ... (Read 55 times)

arivle123

  • Hero Member
  • *****
  • Posts: 569
Given that Z is a standard normal random variable, P(Z > 1.58) is:
 a. 0.4429
  b. 0.0571
  c. 0.9429
  d. 0.5571
  e. 0.6910

Question 2

After calculating the sample size needed to estimate a population proportion to within 0.04, your statistics professor told you the maximum allowable error must be reduced to just .01 . If the original calculation led to a sample size of 800, the sample size will now have to be:
 a. 800
  b. 3200
  c. 12,800
  d. 6400
  e. 1600



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

C

Answer to Question 2

C




arivle123

  • Member
  • Posts: 569
Reply 2 on: Jul 24, 2018
Wow, this really help


bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

For a complete list of videos, visit our video library