Question

The amount of corn chips dispensed into a 12-ounce bag by the dispensing machine has been identified as possessing a normal distrubution with a mean of 12.5 ounces and a standard deviation of 0.2 ounces. What porportion of the 12 ounce bags contain more than the advertised 12 ounces of chips? A)0.9938, B) 0.5662, C) 0.4938, D) 0.0062

Answer 1

http://davidmlane.com/hyperstat/z_table.html