Between 1918 and 1920 a disturbingly deadly outbreak of influenza (flu) tore across the globe infecting the third of the world's population. Of the 500 million people infected, the mortality rate was estimated to be about 20%. This year, World Health Organization (WHO) reported that as of 5:05 pm Central European Summer Time (CEST), on October 25, 2020, there have been 42,512,186 confirmed cases of COVID-19 in the world, including 1,147,310 deaths. Is it safe to state that COVID-19 did not yet reached the mortality rate of 1918 flu pandemic as of August 12, 2020? a. State the null and the alternative hypotheses b. Show calculations and state whether or not the null hypothesis is rejected. c. State your conclusion addressing the original claim.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Between 1918 and 1920 a disturbingly deadly outbreak of influenza (flu) tore across the globe infecting the third of the world's population. Of the 500 million people infected, the mortality rate was estimated to be about
20%.
This
World Health Organization (WHO) reported that as of 5:05 pm Central European Summer Time (CEST), on October 25, 2020, there have been 42,512,186 confirmed cases of COVID-19 in the world,
year,
including 1,147,310 deaths. Is it safe to state that COVID-19 did not yet reached the mortality rate of 1918 flu pandemic as of August 12, 2020?
a. State the null and the alternative hypotheses
b. Show calculations and state whether or not the null hypothesis is rejected.
c. State your conclusion addressing the original claim.
Transcribed Image Text:Between 1918 and 1920 a disturbingly deadly outbreak of influenza (flu) tore across the globe infecting the third of the world's population. Of the 500 million people infected, the mortality rate was estimated to be about 20%. This World Health Organization (WHO) reported that as of 5:05 pm Central European Summer Time (CEST), on October 25, 2020, there have been 42,512,186 confirmed cases of COVID-19 in the world, year, including 1,147,310 deaths. Is it safe to state that COVID-19 did not yet reached the mortality rate of 1918 flu pandemic as of August 12, 2020? a. State the null and the alternative hypotheses b. Show calculations and state whether or not the null hypothesis is rejected. c. State your conclusion addressing the original claim.
Expert Solution
Step 1

Given,

Total no. of confirmed cases of COVID (N) = 42,512,186

No. of deaths due to COVID (X) = 1,147,310

Significance level α = 0.05

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
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.
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman