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Find the mean of the set of numbers {-9,-8,4,-1}
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Answer:
Step-by-step explanation:
I have a app called photomath, I really hope this works.
Answer:
Step-by-step explanation:
It would be more obvious if it says z is a standard Normal variable and that the question is related to statistics.
From "Computing Probabilities Using the Cumulative Table" , the probability of z is less than 1.16, P(z<1.16) = 0.8770.
