Item 10 Samples A and B were selected from the same population. The mean of sample A is equal to the mean of the population. Which of the following statements must be true? The mean of sample A is a point estimator for the mean of the population. The mean of sample B is a point estimator for the mean of the population. The mean of sample A is equal to the mean of sample B. I only 1 only A II only 2 only B III only 3 only C I and II 1 and 2 D II and III

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?