1 answer

Z scores are randomly distributed with a mean of 0 and a standard deviation of 1....

Question:

Z scores are randomly distributed with a mean of 0 and a standard deviation of 1.

If P(z < a) = 0.8830, what is a?


Answers

Given that,

mean = \mu = 0

standard deviation = \sigma = 1

Using standard normal table,

P(Z < a) = 0.8830

=(Z < a) = 0.8830

= P(Z < 1.1901 ) = 0.8830  

a = 1.1901 ( rounded)

a=1.19

.

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