If the value of λ is 9 and value of random variable x is 5 then the value of z-

Question

If the value of λ is 9 and value of random variable x is 5 then the value of z-score is

Options:

A . −2.58

B . −1.86

C . −2.34

D . −1.34

Answer: Option D
Answer: (d).−1.34

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