An author daimed that his annual book sales increased after the year 2000, Past data indicates that the average annual sales for his books are Pho 200 M (200 million pesos). The data for the annualpales are normally distributod as shown (in million peso): 2000: 50 2001: 78 2002: 300 2003: 250 2004: 200 2005: 185 2006: 400 2007: 290 2008: 93 2009: 152 2010: 237 2011: 189 2012: 205 2013: 372 2014: 426 2015: 25 2016: 83 2017: 132 2018: 173 2019: 195 2020: 450 Are the author's words true at 98% confidence? In your complete solution, state the null and alternative

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question
An author daimed that his annual book sales increased after the year 2000, Past data indicates that the
average annual sales for his books are Pho 200 M (200 million pesos). The data for the annualpales are
normally distributod as shown (in million peso): 2000: 50
2001: 78
2002: 300
2003: 250
2004: 200
2005: 185
2006: 400
2007: 290
2008: 93
2009: 152
2010: 237
2011: 189
2012: 205
2013: 372
2014: 426
2015: 25
2016: 83
2017: 132
2018: 173
2019: 195
2020: 450
Are the author's words true at 98% confidence? In your complete solution, state the null and alternative
Transcribed Image Text:An author daimed that his annual book sales increased after the year 2000, Past data indicates that the average annual sales for his books are Pho 200 M (200 million pesos). The data for the annualpales are normally distributod as shown (in million peso): 2000: 50 2001: 78 2002: 300 2003: 250 2004: 200 2005: 185 2006: 400 2007: 290 2008: 93 2009: 152 2010: 237 2011: 189 2012: 205 2013: 372 2014: 426 2015: 25 2016: 83 2017: 132 2018: 173 2019: 195 2020: 450 Are the author's words true at 98% confidence? In your complete solution, state the null and alternative
Expert Solution
steps

Step by step

Solved in 4 steps with 6 images

Blurred answer
Knowledge Booster
Indefinite Integral
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON