Answers AA - F26 Advanced AlgebraApplications with Standard Normal Distribution

Statistical Inferences Answers

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Which of the following criteria are necessary conditions for making a statistical inference?

sample size greater than 30, or an approximately normal data set

sample size greater than 100

convenience sample

simple random sample

systematic sample

A confidence level of 95% means:

95% of the time, sample percentages will fall above the mean.

95% of the time, population data will fall between 149.61 and 150.39.

the mean of 95% of the adults in the sample was 150.

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