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The alternative hypothesised value of a hypothesis test is: p≠ 0.31.
Researchers have decided that when sampling 420 subjects they would use a level of significance, α, of 0.131913033366121
Find the absolute value of the critical values in terms of the standard normal scale, Z. Enter your answer to at least three decimal places.
=
What is the lower critical value, in terms of sample proportions?
Answer =
(use at least 5 digits after the decimal)
What is the upper critical value, in terms of sample proportions?
If the actual proportion is 0.3385 what is the probability that our sample would lead us to believe the null hypothesis was incorrect? Use at least three digits.
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Caselet on McDonald’s vs. Burger King - Waiting time
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
Problems on Sampling Variability and Standard Error and Confidence Intervals
Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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