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A certain flight arrives on time 80 percent of the time. Suppose 132 flights are randomly selected. Use the normal approximation
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I believe 30% is bigger than 
.
To find the answer, you'd have to convert both the fraction and the percent into decimal form to see which one is truly bigger. Converting the percent is fairly easy. 30% would become 0.30 is decimal form. To find the fraction in decimal form, you'd have to divide the numerator by the denominator, which would be 4 ÷ 15, which makes : 2.6666666666666666666666667.
Now you compare easily. Which one is bigger? 2.666666666666666666666667 or 0.30?
0.30 is bigger. So 30% is bigger out of both of them.
To find the answer, you'd have to convert both the fraction and the percent into decimal form to see which one is truly bigger. Converting the percent is fairly easy. 30% would become 0.30 is decimal form. To find the fraction in decimal form, you'd have to divide the numerator by the denominator, which would be 4 ÷ 15, which makes : 2.6666666666666666666666667.
Now you compare easily. Which one is bigger? 2.666666666666666666666667 or 0.30?
0.30 is bigger. So 30% is bigger out of both of them.