Question

A heat tempering machine tempers a surgical instrument in ezactiy 2 minutes. Surgical instruments
arrive at the rate of 20 units per hour. The machine has a capacity to temper only 1 instrument a
time and there is not setup required between two tempering processes. Find the average number of
surgical waiting to be tempered including the one that is going under treatment process
(A) 0.33
B) 1.33
(C) 2.33
D)3.33
Answer
A
B
с
D​

Answer 1

Maybe (C) 2.33



Pls mark as BRAINLIEST

Answer 2

Answer:

d

Explanation:

d I know it

....,............

.

..mm.....................