Mathematics
22.03.2023 03:55
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Suppose the random variable Y has a mean of 100 and a variance of 64. Let Z = [1/SQRT(64)]
Suppose the random variable Y has a mean of 100 and a variance of 64. Let Z = [1/SQRT(64)] * (y-100)
a. show Uz = 0
b. Show (SIGMA)z2 = 1
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a. show Uz = 0
b. Show (SIGMA)z2 = 1
esmeralda266
5,0(66 marks)
x = 3
Choice 2
Step-by-step explanation:
180 = 2^2 * x^2 * 5
180 = 20x^2
9 = x^2
x = 3
Checking:
180 = 2^2 * 8^2 * 5
180 = 4 * 9 * 5
180 = 36 * 5
180 = 180
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