In a basic normal distribution, what percent of the values lie: 1. below the mean?_ 2. above the mean? 3. within one standard deviation of the mean? . 4. within two standard deviations of the mean? . 5. within three standard deviations of the mean? 6. 2000 freshmen at State University took a biology test. The scores were distributed normally with a mean of 70 and a standard deviation of 5. Label the mean and three standard deviations from the mean. Answer the following questions based on the data: a) What percentage of scores are between scores 65 and 75? b) What percentage of scores are between scores 60 and 70? c) What percentage of scores are between scores 60 and 85?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
icon
Related questions
Question

i need help with all of it 

In a basic normal distribution, what percent of the values lie:
1. below the mean?
2. above the mean?
3. within one standard deviation of the mean?
4. within two standard deviations of the mean?
5. within three standard deviations of the mean?.
6. 2000 freshmen at State University took a biology test. The scores were distributed normally with
a mean of 70 and a standard deviation of 5. Label the mean and three standard deviations
from the mean.
Answer the following questions based on the data:
a) What percentage of scores are between scores 65 and 75?
b) What percentage of scores are between scores 60 and 70?
c) What percentage of scores are between scores 60 and 85?
d) What percentage of scores is less than a score of 55?
e) What percentage of scores is greater than a score of 80?
f) Approximately how many biology students scored between 60 and 70?
g) Approximately how many biology students scored between 55 and 60?
Transcribed Image Text:In a basic normal distribution, what percent of the values lie: 1. below the mean? 2. above the mean? 3. within one standard deviation of the mean? 4. within two standard deviations of the mean? 5. within three standard deviations of the mean?. 6. 2000 freshmen at State University took a biology test. The scores were distributed normally with a mean of 70 and a standard deviation of 5. Label the mean and three standard deviations from the mean. Answer the following questions based on the data: a) What percentage of scores are between scores 65 and 75? b) What percentage of scores are between scores 60 and 70? c) What percentage of scores are between scores 60 and 85? d) What percentage of scores is less than a score of 55? e) What percentage of scores is greater than a score of 80? f) Approximately how many biology students scored between 60 and 70? g) Approximately how many biology students scored between 55 and 60?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 1 images

Blurred answer
Knowledge Booster
Anova and Design of Experiments
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
Algebra
ISBN:
9780134463216
Author:
Robert F. Blitzer
Publisher:
PEARSON
Contemporary Abstract Algebra
Contemporary Abstract Algebra
Algebra
ISBN:
9781305657960
Author:
Joseph Gallian
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra And Trigonometry (11th Edition)
Algebra And Trigonometry (11th Edition)
Algebra
ISBN:
9780135163078
Author:
Michael Sullivan
Publisher:
PEARSON
Introduction to Linear Algebra, Fifth Edition
Introduction to Linear Algebra, Fifth Edition
Algebra
ISBN:
9780980232776
Author:
Gilbert Strang
Publisher:
Wellesley-Cambridge Press
College Algebra (Collegiate Math)
College Algebra (Collegiate Math)
Algebra
ISBN:
9780077836344
Author:
Julie Miller, Donna Gerken
Publisher:
McGraw-Hill Education