Suppose the manufacturer wanted to decrease the probability that a candy bar weighs less than the advertised weight. How would they change the standard deviation? a. Changing the standard deviation will not change the probability b. Decrease the standard deviation c. Increase the standard deviation Between which two values should roughly 68% of candy bars taken from this process weigh? (Round your answers to 2 decimal places.) between ____ and ____ ounces Between which two values should roughly 95% of candy bars taken from this process weigh? (Round your answers to 2 decimal places.) between ____ and _____