Consider the probability distribution as standard normal, if the value of μ is

Question

Consider the probability distribution as standard normal, if the value of μ is 75, the value of x is 120 with the unknown standard deviation of distribution then the value of z-statistic

Options:

A . will be one

B . will be zero

C . will be negative

D . will be positive

Answer: Option D
Answer: (d).will be positive

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