Mathematics, 25.05.2021 18:30 donmak3833
Suppose a variable is approximately normally distributed with mean 12 and standard deviation 5. What is the
Z-score of x= 4?
A) 1.6
B) 0
C)- 1.6
D) -0.083
Answers: 3
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You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?
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What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21
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The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight
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Suppose a variable is approximately normally distributed with mean 12 and standard deviation 5. What...
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