Multiple Choice
The average labor time to sew a pair of denim jeans is 4.2 hours with a standard deviation of 30 minutes.If the distribution is normal,then the probability of a worker finishing a pair of jeans in less than 3.5 hours is:
A) 0.0808.
B) 0.4192.
C) 0.5808.
D) 0.9192.
E) 0.9808.
Correct Answer:

Verified
Correct Answer:
Verified
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