When Evaluating the given expression, which statements are correct? -78.56 - (-25.8)
Answers
1. I-78.56I Greater than I25.8I
2. I-78.56I Less than I25.8I
3. -78.58 - (-25.8) = -52.76
4. -78.56 - (-25.8) = -104.36
WILL MARK BRAINLIST

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

K-7/4=11 explanation: k-7 is the numerator and 4 is the denominator then right by it it just says = 11 ( i wish i knew how to do this but ummm i cant sis)

How do i answer this i do not get this at