The mean weight of salmon at a fishery is 15.8 pounds, with a standard deviation of 2.4 pounds. A researcher records the weight of the following salmon. 14.5 pounds, 16.8 pounds, 15 pounds, 16.4 pounds, and 15.9 lbs. Find µ, , x, and s.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Which of the following transformations will always produce a congruent figure?