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 62 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
Thanks for the timely response, appreciate it

Kedrick2014

  • Member
  • Posts: 359
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Distribution of Neandertal sites in Europe and western Asia. Distribution of Neandertal sites in Europe and western Asia.
How to find the quartiles and percentiles for a data set How to find the quartiles and percentiles for a data set
How to find the definite integral using the fundamental theorem of calculus (Part 1) How to find the definite integral using the fundamental theorem of calculus (Part 1)
How to find the area of composite figures (Part 2) How to find the area of composite figures (Part 2)
Determine if each function is continuous, If the function is not continuous, find the x-axis Determine if each function is continuous, If the function is not continuous, find the x-axis
Find Δy + Δy/Δx, given: Find Δy + Δy/Δx, given:
Video: Muscular System Animation

For a complete list of videos, visit our video library