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vitfil [10]
4 years ago
7

The two-way relative frequency table shows the relative frequencies of 9- and 10-year-olds who prefer Superhero A or B.

Mathematics
2 answers:
lesya692 [45]4 years ago
3 0
The answer is 37.5% because to change a decimal to a percent, you move the decimal over 2 places to the right, and since the decimal is behind zero, it ends up between 7 and 5.

hopefully this helped you.
vodka [1.7K]4 years ago
3 0

Answer:

37.5%


Step-by-step explanation:


The question asks for "the percent of 9-year olds who prefer Superhero A"

<u>[</u><u>Note</u><u>: Since the table is given in terms of decimal, we will do the problem in decimal and later change to percentage]</u>

  • <em>How many total 9-year olds are there?</em>

Add the 9-year olds row. We have:

0.375+0.625=1


  • <em>Now, how many of those 9-year olds like Superhero A?</em>

Look at the cell under Superhero A & beside 9-year old. We see that it is 0.375

So we would divide this by total, to get,

\frac{0.375}{1}=0.375

<u><em>To convert decimal into percentage, we </em></u><u><em>multiply the decimal with 100 and then tag along the "%" sign</em></u><u><em>. Hence, we have:</em></u>

<em>0.375*100=37.5%</em>

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