The average number of words in a romance novel is 64,485 and the standard deviation is 17,222. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the proportion of all novels that are between 71,374 and 88,596 words. c. The 90th percentile for novels is words. (Round to the nearest word) d. The middle 70% of romance novels have from the nearest word) words to words. (Round to
The average number of words in a romance novel is 64,485 and the standard deviation is 17,222. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the proportion of all novels that are between 71,374 and 88,596 words. c. The 90th percentile for novels is words. (Round to the nearest word) d. The middle 70% of romance novels have from the nearest word) words to words. (Round to
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 5CT
Related questions
Question
100%
Please only answer b c d

Transcribed Image Text:The average number of words in a romance novel is 64,485 and the standard deviation is 17,222.
Assume the distribution is normal. Let X be the number of words in a randomly selected romance
novel. Round all answers to 4 decimal places where possible.
a. What is the distribution of X? X - N(
b. Find the proportion of all novels that are between 71,374 and 88,596 words.
c. The 90th percentile for novels is
words. (Round to the nearest word)
d. The middle 70% of romance novels have from
the nearest word)
words to
words. (Round to
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 3 images

Recommended textbooks for you

Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt

Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill

Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL

Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt

Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill

Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL

Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
