
Statistics and Probability Flashcard

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Business
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University
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Hard
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1.
FLASHCARD QUESTION
Front
Determine an interval with 99% confidence for the number of people visiting an emergency room who were subsequently admitted to the hospital.
Back
12,254,344 to 12,271,599
2.
FLASHCARD QUESTION
Front
The symbol σ is used to represent the
Back
standard deviation of the population.
3.
FLASHCARD QUESTION
Front
We can use the normal distribution to make confidence interval estimates for the population proportion, p, when
Back
both np ≥ 5 and n(1 - p) ≥ 5.
4.
FLASHCARD QUESTION
Front
A simple random sample of size n from an infinite population of size N is to be selected. Each possible sample should have ______ of being selected.
Back
the same probability
5.
FLASHCARD QUESTION
Front
In the hypothesis testing procedure, α is the
Back
level of significance.
6.
FLASHCARD QUESTION
Front
The scale of measurement that is used to rank order the observation for a variable is called the _____ scale.
Back
ordinal
7.
FLASHCARD QUESTION
Front
For a two-tailed test using α = .0802, z = ?
Back
1.75.
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