Mathematics, 27.07.2021 17:00 nina1390
It is believed that the average amount of money spent per U. S. household per week on food is about $99, with standard deviation $10. A random sample of 25 households in a certain affluent community yields a mean weekly food budget of $100. We want to test the hypothesis that the mean weekly food budget for all households in this community is higher than the national average. State the null and alternative hypotheses for this test, the test statistic and determine if the results significant at the 5% level.
Answers: 2
Mathematics, 21.06.2019 13:00, miathegreat
The sketch shows two parallel lines cut by a transversal. angle 2 2 is 36° 36 ° . what is the measure of angle 8 8 ?
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Mathematics, 21.06.2019 14:30, kev71
The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.
Answers: 1
Mathematics, 21.06.2019 18:20, holmesleauja
Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.
Answers: 1
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