An average computer mouse inspector can inspect 60 mice per hour with a population standard deviation of 10 mice per hour. The 48 computer mice inspectors at a particular factory can only inspect 55 mice per hour. Does the company have reaseon to believe that these inspectors are slower than average at a = 0.10?

possible answers:

a) yes, because the tst value -3.46 falls in the noncritical region.

b) no, because the test value -1.98 falls in the critical region.

c) yes, becasue the test value -3.46 falls in the critical region.

d) no because the tst value -1.98 falls in the noncritical region.