A newly installed automatic gate system was being tested to see
if the number of failures in 1,000 entry attempts was the same as
the number of failures in 1,000 exit attempts. A random sample of
eight delivery trucks was selected for data collection. Do these
sample results show that there is a significant difference between
entry and exit gate failures? Use α = 0.05.
Truck 1 | Truck 2 | Truck 3 | Truck 4 | Truck 5 | Truck 6 | Truck 7 | Truck 8 | |
Entry failures | 44 | 40 | 55 | 56 | 62 | 52 | 45 | 45 |
Exit failures | 50 | 53 | 55 | 56 | 55 | 50 | 51 | 47 |
(c) Find the critical value
tcrit for α = 0.05. (Round
your answer to 3 decimal places. A negative value should be
indicated by a minus sign.)
tcrit
(d) Find the p-value. (Round your
answer to 4 decimal places.)
p-value
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