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Georgia [21]
3 years ago
5

In a certain year, 86% of all Caucasians in the U.S., 77% of all African-Americans, 77% of all Hispanics, and 84% of residents n

ot classified into one of these groups used the Internet for e-mail. At that time, the U.S. population was 64% Caucasian, 11% African-American, and 10% Hispanic. What percentage of U.S. residents who used the Internet for e-mail were Hispanic
Mathematics
1 answer:
son4ous [18]3 years ago
5 0

Answer:

Percentage of U.S resident who used the Internet for e-mail were Hispanic=9.19%

Step-by-step explanation:

We are given that

Population was Caucasian=64%

Population was African-American=11%

Population was Hispanic=10%

Let the population of U.S=10000

Now,

Population was Caucasian=\frac{64}{100}\times10000=6400

Population was African-American=\frac{11}{100}\times 10000=1100

Population was Hispanic=\frac{10}{100}\times 10000=1000

Population of others=10000-(6400+1100+1000)=1500

Population of Caucasians used the Internet for e-mail=86% of 6400

Population of Caucasians used the Internet for e-mail=\frac{86}{100}\times 6400

Population of Caucasians used the Internet for e-mail=5504

Population of African-American used the Internet for e-mail=77% of 1100

Population of African-American used the Internet for e-mail=\frac{77}{100}\times 1100=847

Population of Hispanics used the Internet for e-mail=77% of 1000

Population of Hispanics used the Internet for e-mail=\frac{77}{100}\times 1000=770

Population of others used the Internet for e-mail=84% of 1500

Population of others used the Internet for e-mail=\frac{84}{100}\times 1500=1260

Total population used the Internet for e-mail=5504+847+770+1260

Total population used the Internet for e-mail=8381

Percentage of U.S resident who used the Internet for e-mail were Hispanic

=\frac{Population \;of \;Hispanics \;used \;the \;Internet \;for \;e-mail}{total\;population\; used \;the \;Internet \;for\; e-mail}\times 100

Percentage of U.S resident who used the Internet for e-mail were Hispanic=\frac{770}{8381}\times 100

Percentage of U.S resident who used the Internet for e-mail were Hispanic=9.19%

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