Owen has a collection of nickels & quarters worth $8.10. If the nickels were quarters & the quarters were nickels, the value would be $17.70. Find the number of each coin.

The weight of a small starbucks coffee is a normally distributed random variable with a mean of 340 grams and a standard deviation of 11 grams. find the weight that corresponds to each event. (use excel or appendix c to calculate the z-value. round your final answers to 2 decimal places.)highest 30 percent middle 70 percent highest 90 percent lowest 20 percent