« previous next »

Author Question: Find the standard z-score such that 80 of the distribution is to the left of this ... (Read 50 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
on: Jul 24, 2018
Find the standard z-score such that 80 of the distribution is to the left of this value.

Question 2

Find the area under the standard normal curve between z = 0.25 and z = 2.75.


shaikhs

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 24, 2018
Answer to Question 1

z = 0.84

Answer to Question 2

P(0.25 < z < 2.75) = 0.4970  0.0897 = 0.4073


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

beccaep

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


shaikhs

  • Sr. Member
  • ****
  • Posts: 312
Reply #3 on: Jul 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr
Left-side and right-side heart failure. Left-side and right-side heart failure.
How to find the limits of trigonometry functions How to find the limits of trigonometry functions
How to find the equation of a line that is perpendicular to a line passing through a point How to find the equation of a line that is perpendicular to a line passing through a point
Find the final velocity of the object Find the final velocity of the object
Polar distribution of auxin is driven by asymmetrical positioning of plasma membrane active transpor Polar distribution of auxin is driven by asymmetrical positioning of plasma membrane active transpor
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library