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Mathematics, 14.11.2020 14:00 simrankaurdhatt

Help Assume that women's weights are normally distributed with a mean given by - 143 lb and a standard deviation given by 35 randomly selected women have a mean of 130. What is the z-score corresponding to the sample mean of 130 and sample size of 35?
-1.45
-1.96
-2.65
-1.65

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