Reference no: EM132580748

Find the p-value based on a standard normal distribution for each of the following standardized test statistics.

a) z=-1.16 for a left tail test for a mean

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p-value =

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b) z=4.18 for a right tail test for a proportion

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p-value =

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(c) z=-1.57 for a two-tailed test for a difference in means

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p-value =

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