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How do I calculate a and z a/2?
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What is a test statistic in hypothesis testing and how does it relate to the p-value?
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939 views
What is sampling error?
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981 views
What is the Empirical Rule?
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651
651 views
A gambling machine accepts 5 dollars and generates a random dollar value (x) between 1 and 10.
A gambling machine accepts 5 dollars and generates a random dollar value (x) between 1 and 10.What is the distribution of x?What is the expected value of x?Is it smart to...
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766
766 views
Two coins are flipped. What is the probability of getting heads twice?
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1.2k views
What is the difference between joint and conditional probability?
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877
877 views
What is the difference between qualitative and quantitive data?