Mathematics, 12.12.2019 05:31 rjeus
Atype of elevator has a maximum weight capacity y1 , which is normally distributed with mean 5000 pounds and standard deviation 300 pounds. for a certain building equipped with this type of elevator, the elevator’s load, y2, is a normally distributed random variable with mean 4000 pounds and standard deviation 400 pounds. for any given time that the elevator is in use, find the probability that it will be overloaded, assuming that y1 and y2 are independent.
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Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60
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Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.
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