# Question: ch 6 10 please assist with answers for a and...

###### Question details

Ch 6 #10: please assist with answers for a and b:\ The time
required to assemble an electronic component is normally
distributed with a mean and a standard deviation of 22 minutes and
8 minutes, respectively. **[You may find it useful to
reference the** z table**.]**

**a.** Find the probability that a randomly picked
assembly takes between 14 and 26 minutes. **(Round
" z" value to 2 decimal places and final answer to 4
decimal places.)**

**Probability:______________________**

**b.** It is unusual for the assembly time to be
above 34 minutes or below 13 minutes. What proportion of assembly
times fall in these unusual categories? **(Round " z"
value to 2 decimal places and final answer to 4 decimal
places.)**

**Proportion of assembly
times:________________________**