# make check

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(a) Determine the level of confidence given the confidence coefficient z(á/2) for z(á/2) = 1.65.
Incorrect: Your answer is incorrect. . 0.90 is what I got and it was wrong, I have several like this if someone could work this one I could use as example. Thanks in advance.

• make check -

za/2 = 1.645

• make check -

It gave us the number 1.65

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