Two different simple random samples are drawn from two different populations. the first sample consists of 20 people with 9 having a common attribute. the second sample consists of 2100 people with 1492 of them having the same common attribute. compare the results from a hypothesis test of p 1equalsp 2 (with a 0.05 significance level) and a 95% confidence interval estimate of p 1minusp 2.

Step-by-step explanation:

The confidence interval for the difference of two population proportion is given by :-

Given : The first sample consists of 20 people with 9 having a common attribute.

Here, ,

,

Significance level :

Critical value :

A 95% confidence interval for the difference of two population proportion will be :-

sine

step-by-step explanation:

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )