Mathematics, 17.11.2019 05:31 jazz9876
1,200 employees of a company were surveyed to find out whether they were satisfied with the company’s insurance policy. the survey showed that 80% of the respondents were not satisfied with the policy.
the standard error of the proportion is %. the number of people who are satisfied with the policy is between % and %.
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Answers: 2
Mathematics, 21.06.2019 15:30
Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?
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Mathematics, 21.06.2019 18:30
Is the square root of 4 plus the square root of 16 rational?
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Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
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Mathematics, 21.06.2019 22:30
At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?
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1,200 employees of a company were surveyed to find out whether they were satisfied with the company’...
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