Answer:
4.70 is not equivalent to the others.
Answer: 554
Step-by-step explanation:
If prior population proportion is known, then the formula to find the sample size is given by :-

As per given description, we have
p= 0.1
E=0.025
Critical z-value for 95% confidence : 
Then,

Hence, the minimum sample size required = 554.
Answer:
1- 9n/7
Step-by-step explanation:
I hope i helped! :)
Answer:
66yx , 30x2y, hope its right :)
Step-by-step explanation: