Homework Help: Math

Posted by Jen on Saturday, July 23, 2011 at 11:22am.

According to the U. S. Census Bureau, the total 2008 U.S. population was 303,824,640. The chart below summarizes the 2008 population for five U.S. States.

U. S. State 2008 Population

Alaska 686,293
California 36,756,666
Hawaii 1,288,198
Idaho 1,523,816
Indiana 6,376,792

SOURCE: U. S. Census Bureau

What is the probability that a randomly selected U.S. resident did not live in Idaho? Show step by step work. Round solution to the nearest thousandth.

Would it be 1/1523816 = 0.000000656??

Math - Reiny, Saturday, July 23, 2011 at 11:29am
The probability that a randomly selected U.S. resident did live in Idaho
= 1523816/303824640

so the probability that a randomly selected U.S. resident did not live in Idaho
= 1 - 1523816/303824640

I will leave the arithmetic up to you
Math - Jen, Saturday, July 23, 2011 at 11:39am
1523816/303824640 = 0.005
1 - 0.005 = 0.995 or would it be 0.990 when rounded to the nearest thousandth?
Math - Reiny, Saturday, July 23, 2011 at 11:52am
You would have to look at the 4th decimal which you did not show.
On my calculator, I got
.9949 , so to the nearest thousandth that would be

.995
Math - Jen, Saturday, July 23, 2011 at 12:03pm
oh okay...thank you Reiny for your help :)

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