Paula’s Pickles packs jars of pickles in boxes for shipping. Each box holds 8 jars of pickles. Which problem could be used to fi
1 answer:
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Answer:
b. 224
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find the margin of error M as such
In which is the standard deviation of the population and n is the size of the sample.
In this problem:
We want to find n, when So
The nearest integer number to 223.9 is 224.
So the correct answer is:
b. 224