Tentamen (uitwerkingen)
STAT 200 Week 4 Homework - GRADED A
- Vak
- Instelling
1. Assume the speed of vehicles along a stretch of I-10 has an approximately normal distribution with a mean of 71 mph and a standard deviation of 8 mph. a. The current speed limit is 65 mph. What is the proportion of vehicles less than or equal to the speed limit? 65−71 8 =−0.75 P = 22...
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