Suppose a professor uses a normal distribution to assign grades in her math class. • She assigns an A to students scoring more than 2.2 standard deviations above the mean. - She assigns an F to students scoring more than 2 standard deviations below the mean. • She assigns a B to students who score between 0.8 and 2.2 standard deviations above the mean. • She assigns a D to students who score between 0.9 and 2 standard deviations below the mean. All other students get a C. Use the Cumulative Z-Score Table to answer the following questions. The Z-Score Table can be found below by selecting "Read". Write your answer as a percent using 2 decimal places. What percent of the class receives each grade assuming the scores are normally distributed? Hint % will recieve an A 98 will recieve a B 8 will recieve a C 1F will recieve a D 8 will recieve an Fl Ouestion Heln: M e een faleracereertor

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
icon
Related questions
icon
Concept explainers
Topic Video
Question
Suppose a professor uses a normal distribution to assign grades in her math class.
• She assigns an A to students scoring more than 2.2 standard deviations above the mean.
• She assigns an F to students scoring more than 2 standard deviations below the mean.
. She assigns a B to students who score between 0.8 and 2.2 standard deviations above the mean.
• She assigns a D to students who score between 0.9 and 2 standard deviations below the mean.
All other students get a C.
Use the Cumulative Z-Score Table to answer the following questions. The Z-Score Table can be found below
by selecting "Read".
Write your answer as a percent using 2 decimal places.
What percent of the class receives each grade assuming the scores are normally distributed? Hint
% will recieve an A
98 will recieve a B
will recieve a C
will recieve a D
P: will recieve an F
Question Help.D ec estructom
Transcribed Image Text:Suppose a professor uses a normal distribution to assign grades in her math class. • She assigns an A to students scoring more than 2.2 standard deviations above the mean. • She assigns an F to students scoring more than 2 standard deviations below the mean. . She assigns a B to students who score between 0.8 and 2.2 standard deviations above the mean. • She assigns a D to students who score between 0.9 and 2 standard deviations below the mean. All other students get a C. Use the Cumulative Z-Score Table to answer the following questions. The Z-Score Table can be found below by selecting "Read". Write your answer as a percent using 2 decimal places. What percent of the class receives each grade assuming the scores are normally distributed? Hint % will recieve an A 98 will recieve a B will recieve a C will recieve a D P: will recieve an F Question Help.D ec estructom
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Centre, Spread, and Shape of a Distribution
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill