Which statement about this product is true? 0.44×(−534) It is equal to 0 because 0.44 rounded to the nearest whole number is 0, and 0 times any number is 0. It is equal to −534 because 44 is equal to 1, and 1 times any number equals that number. It is greater than −3 because 0.44×534 is less than 12×6. It is less than −534 because multiplying by a number less than 1 gives a smaller number.

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