Three paths intersect to form a right triangle as shown here. The path from the picnic area to the fountain is 500 yards. The pa
th from the fountain to the restrooms is 300 yards. How far are the restrooms from the picnic area?
1 answer:
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Answer: C.-1.5
Step-by-step explanation:
Given: The burning time of a very large candle is normally distributed with mean of 2500 hours and standard deviation
of 20 hours.
Let X be a random variable that represent the burning time of a very large candle.
Formula:
For X = 2470
So, the z-score they corresponds to a lifespan of 2470 hours. =-1.5
Hence, the correct option is C.-1.5.