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suter [353]
3 years ago
15

Did I do this problem correctly??

Mathematics
1 answer:
DaniilM [7]3 years ago
6 0

You're correct in the x parts where each is +3

You're incorrect in the y part

5 - 6 = -1

5 - 4 = 1

So the first one should be -6

From there, its +6

-1 + -6 = -7

-7 + -6 = -13

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Generally the z- score of this normal distribution is mathematically represented as

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Now from the z-table  the  probability is  found to be

        P(\=  X  >  x ) = 0.78814

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