contestada

Given that some normally distributed data has a mean of 857.518 and a standard
deviation of 113.181. What is the probability that a randomly sampled datapoint wil
be greater than 1007.174?

Respuesta :

Answer:

10%

Step-by-step explanation:

(1007.174 - 857.518) / (113.181) means that

1007.174   is  1.32 standard dev ABOVE the mean

z-score = .9066    from z-score chart    

  means 90% are less and ~~ 10% are this value or more

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