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

Author Question: Find a value of z such that 43.7 of the distribution lies between it and the mean. (Hint: There are ... (Read 67 times)

michelleunicorn

  • Hero Member
  • *****
  • Posts: 565
on: Jul 24, 2018
Find a value of z such that 43.7 of the distribution lies between it and the mean. (Hint: There are two possible answers.)

Question 2

Find the z-score for the first quartile of the standard normal distribution.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sabina576

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 24, 2018
Answer to Question 1

Since P(0 < z < 1.53) = 0.437 = P(-1.53 < z < 0), then z = 1.53.

Answer to Question 2

Since P(z < -0.67) = 0.2486 0.25, then the z-score for the first quartile of the standard normal distribution is -0.67.


michelleunicorn

  • Member
  • Posts: 565
Reply 2 on: Jul 24, 2018
:D TYSM

komodo7

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

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.

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.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
Distribution and Forms of Precipitation: Snow Distribution and Forms of Precipitation: Snow
Distribution and Forms of Precipitation: Rain Distribution and Forms of Precipitation: Rain
How to find the point of intersection of two straight lines by graphing How to find the point of intersection of two straight lines by graphing
How to find the components of a vector found in the first quadrant How to find the components of a vector found in the first quadrant
Distribution of Earth's Water Distribution of Earth's Water
Video: What are Taste Receptors? How Does it Work? Animation

For a complete list of videos, visit our video library