The lengths of a certain species of fish were found to be normally distributed. the mean length is 79 cm with a standard deviation of 10 cm. in a school of 310 of these fish, about how many would be longer than 69 cm?

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

Tom drove 206 miles in 3.9 hours. estimate his average speed.