Foreign relations are important because they are meant to prevent misunderstandings and future conflicts between nations. They strengthen the economy and the common goals between countries, becoming the root of great binding agreements. Foreign relations plays a key part in order to achieve peace one day.
Answer:
true
Step-
when you divide fractions you have to keep change flip
Answer: 2172
Step-by-step explanation:
Formula to find the sample size n , if the prior estimate of the population proportion(p) is known:
, where E= margin of error and z* = Critical z-value.
Let p be the population proportion of adults have consulted fortune tellers.
As per given , we have
p= 0.20
E= 0.02
From z-table , the z-value corresponding to 98% confidence interval = z*=2.33
Then, the required sample size will be :
Hence, the required sample size = 2172