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Tresset [83]
3 years ago
8

Which scenario could be represented by the value −20 ? Select each correct answer. A: A diver's depth is 20 feet above sea level

. B:The temperature is 20 degrees below zero. C:A driver's speed decreases by 20 miles per hour. D:The water level in a tank increases by 20 inche
Mathematics
1 answer:
skad [1K]3 years ago
3 0
The answer is B because it is under 0, making it negative

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So we are given the mean and the s.d.. The mean is 100 and the sd is 15 and we are trying the select a random person who has an I.Q. of over 126. So our first step is to use our z-score equation:

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