A number is rational if it can be expressed as the ratio between two integers (of course the denominator can't be zero).
-1/16 is already a fraction, so it's rational.
0 can be expressed as a fraction: for any non-zero integer
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can't be expressed via a fraction between integers, and thus they are irrational.
Answer:
Product A performed better in the study because only 30% failed to get relief with this product, whereas 39% failed to get relief with Product B.
Step-by-step explanation:
Sample A = 20 people
Experienced relief in A = 14 people
Sample B = 100 people
Experienced relief in B = 61 people
The percentages of people who failed to get relief with each product are defined as follows:
Therefore, Product A performed better in the study because only 30% failed to get relief with this product, whereas 39% failed to get relief with Product B.