Seven television sets are chosen at random (i.e., without replacement) from a shipment of 240 television sets of which 15 are de
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The value of z-score for a score that is three standard deviations above the mean is 3.
In this question,
A z-score measures exactly how many standard deviations a data point is above or below the mean. It allows us to calculate the probability of a score occurring within our normal distribution and enables us to compare two scores that are from different normal distributions.
Let x be the score
let μ be the mean and
let σ be the standard deviations
Now, x = μ + 3σ
The formula of z-score is
⇒
⇒
⇒
Hence we can conclude that the value of z-score for a score that is three standard deviations above the mean is 3.
Learn more about z-score here
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Answer:
1/25
Step-by-step explanation:
64^=8
8*1/2=8/2
10^-2=1/100
8/2*1/100
1/25
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