Step-by-step explanation:
the answer should be 1004
Answer:
Answer below hopes it helps
Step-by-step explanation:
Answer:the mode is b
Step-by-step explanation:
B
Answer: a) 683 b) 1067
Step-by-step explanation:
The confidence interval for population proportion is given by :-

a) Given : Significance level :
Critical value : 
Margin of error : 
Formula to calculate the sample size needed for interval estimate of population proportion :-

Hence, the required sample size would be 683 .
b) If no estimate of the sample proportion is available then the formula to calculate sample size will be :-

Hence, the required sample size would be 1067 .