According to Newsweek, the natural ratio of girls to boys’ birth rate is 100:105 or 48.8%. In China, the ratio of girls to boys is 100:114 (46.7%). You do not believe the Chinese birth ratio statistics and decide to conduct your own research. After randomly selecting 150 recent births in C
According to Newsweek, the natural ratio of girls to boys’ birth rate is 100:105 or 48.8%. In China, the ratio of girls to boys is 100:114 (46.7%). You do not believe the Chinese birth ratio statistics and decide to conduct your own research. After randomly selecting 150 recent births in C
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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1. According to Newsweek, the natural ratio of girls to boys’ birth rate is 100:105 or 48.8%. In China, the ratio of girls to boys is 100:114 (46.7%). You do not believe the Chinese birth ratio statistics and decide to conduct your own research. After randomly selecting 150 recent births in China, you find that the mothers had 60 girls and 90 boys. Based on the results of your study, do you believe that the percent of girls born in China is 46.7%?
a. What statistical test will you use to test this data?
b. State the null and alternative hypothesis.
i. H0:
ii. Ha:
c. What are the confidence intervals?
d. What is the value of the test statistic?
e. What is the p-value?
f. Circle/highlight the correct decision about the null hypothesis.
Reject H0 Fail to Reject H0
g. What are your conclusions?
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