Select each inequality that correctly represents the situation described below. The temperature in the classroom is uncomfortable if the temperature is lower than or equal to 60 degrees or higher than or equal to 75 degrees; x < 60 or x > 75
All the real numbers greater than - 72 and less than 0; – 7 > x > 0
The minimum speed on the highway is 40 miles per hour and the maximum speed is 75 miles per hour; 40 < x < 75
Three less than a number is greater than negative 4 and less than negative 1; -4 < X – 3 < -1

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