« previous next »

Author Question: In order to use the normal distribution for interval estimation of when is known and the sample is ... (Read 67 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
on: Jun 24, 2018
In order to use the normal distribution for interval estimation of  when  is known and the sample is very small, the population
 a. must be very large
  b. must have a normal distribution
  c. can have any distribution
  d. must have a mean of at least 1

Question 2

In developing an interval estimate, if the population standard deviation is unknown
 a. it is impossible to develop an interval estimate
  b. the standard deviation is arrived at using the range
  c. the sample standard deviation can be used
  d. it is assumed that the population standard deviation is 1


ebe

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Sample purchase order form. Sample purchase order form.
Hematocrits, left to right: normal, anemia, polycythemia. Hematocrits, left to right: normal, anemia, polycythemia.
How to use Cramer's rule to solve a second-order determinant (Question 1) How to use Cramer's rule to solve a second-order determinant (Question 1)
How the Return to Education Affects the Distribution of Income How the Return to Education Affects the Distribution of Income
Distribution of sex chromosomes from generation to generation. All children receive an X chromosome Distribution of sex chromosomes from generation to generation. All children receive an X chromosome
Near-uniform distribution of nesting seabirds Near-uniform distribution of nesting seabirds
Video: Febrile Seizure

For a complete list of videos, visit our video library