Which of the following is a correct interpretation of the expression 2 - (-5)? Choose 1 answer
The number that is 5 to the left of 2 on the number line
The number that is 5 to the right of 2 on the number line
The number that is 2 to the left of -5 on the number line
The number that is 2 to the right of -5 on the number line
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Do 4 problems
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A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95