Find the value of z / 2 that corresponds to a confidence level of 89.48%.

Question

Mathematics

Blimpie

12 May, 16:57

Find the value of z / 2 that corresponds to a confidence level of 89.48%.

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Answers (1)

Know the Answer?

Rodney Pitts · Answer 1

Given that

P (z/2) = 89.48%

the value that corresponds to this will be given as follows:

the z-value that corresponds to 89.48% in the z-table is:

1.25

thus

z/2=1.25

hence

z=1.25*2

z=2.50