Three ice-cream packing machines at the Creamy Treat Company are being evaluated for their capability. The following data are recorded: Packing Machine Standard Deviation A 0.30 B 0.20 C 0.15 If specifications are set between 15.8 and 16.15 ounces, determine which of the machines are capable of producing within specifications. (Round answers to 2 decimal places, e.g. 15.25.) Cp(Machine A) Machine A is Cp(Machine B) Machine B is Cp(Machine C) Machine C is