# Question: given four types of instructions a b c and d...

###### Question details

Given four types of instructions A, B, C, and D, and their CPIs and incidence figures as described in the table below (a) calculate average CPI, and (b) calculate average CPI if Type B instructions are speeded up by 47 percent.

**Instruction
Type**** CPI
for this
Type Instruction
Count**

A 1.6 345

B 1.8 246

C 2.7 858

D 3.0 124