Find z such that 5% of the standard normal curve lies to the left of z....

Question

Question

Find z such that 5% of the standard normal curve lies to the left of z.

These questions involving z are the worst. Any help appreciated

Answer 1

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Answer #1

Solution :

Using standard normal table ,

P(Z < z) = 5%

P(Z < z) = 0.05

See the probability 0.05 in the z table the corresponding z value is -1.645 .

P(Z < -1.645) = 0.05

z = -1.645

Answer 2

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