The weights of bags of pet food are distributed normally about the mean, 50 lb. the standard deviation is 0.2 lb. in a group of 20 bags, about how many would you expect to be within one standard deviation from the mean?

Abcd is a square. what is the measure of angle bac

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

If rt is greater than ba, which statement must be true ?