(Answered) What proportion of z-values are expected to be less than

Statistics

What proportion of z-values are expected to be less than -0.20 or greater than 1.90? Your answer should be out to four decimal places.

What proportion of z-values are expected to be between -1.50 and 0.80? Your answer should be out to four decimal places.

What proportion of z-values are expected to be between 0.30 and 0.80? Your answer should be out to four decimal places.

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