Suppose X Bin(10, 0.75). What is the probability that X is within one standard deviation away from the mean?
Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.8 and a standard…
A: Let "X" be the IQ score of the adults.
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A: From the provided information, Average (µ) = 28 points Score (x) = 14 points z-score = -2
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Q: Assume that adults have IQ scores that are normally distributed with a mean of 95.9 and a standard…
A: Given: Mean μ = 95.9 Standard deviation σ = 15.6 Formula Used: Z-score: Z = X-μσ
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A: It is an important part of statistics . It is widely used .
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A: Given that adults have IQ scores that are normally distributed with, Mean = 103.6 Standard deviation…
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Q: The annual income for a sample of 450 part-time students is normally distributed with a mean income…
A: Given that. X~N( μ , ?) μ=31000 , ?=3000 Z-score =( x - μ )/?
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Q: Q6- Assume the probability that a maple tree at age 5 grows less than 140 cm is equal to 0.2. If the…
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Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.9 and a standard…
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