Answer:
The minimize size that can be taken is - 31.28 or 31 .
Step-by-step explanation:
Lets calculate -
Population standard deviation,
Margin of error, E = 1
Critical value ,
Now , the size of the sample ,
Putting the given values ,
= 31.28 or 31 .
The given table of the question has been attached here .
<u>Hence , the answer is 31.</u>
Refer to the attachment!
.50x4+15=x
X=17