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Test whether the coin biased towards heads using Proportion.
A coin was flipped 60 times and came up heads 38 times.
a) At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.
b) Calculate a p-value and interpret it.
Here are the DMS odor thresholds for 10 untrained students:
Determine the probability that sample mean is between 7.5 and 8 minutes?
The probability of obtaining a random sample mean, which is lower than the population mean, is:
the population mean of monthly wages of all college graduates under age of 30. Interpret your answer in the context of the problem.
We are interested in testing to find out whether the variance of the population is vitally more than 0.003
Probability based on normal distribution. Suppose among X has a normal distribution, and find the indicated probability.
Which combination of factors has greatest likelihood of rejecting null hypothesis?
What would that evaluation be and what is the margin of error?
At the end of 24 weeks of treatment, subjects were classified as responders or non-responders to treatment based on a battery of psychological tests.
Develop a hypothetical table of data using a grid of 3 rows and four columns.
Sample size of only 20. Find out a 95% confidence level for population Cp.
Find out the mean, median and mode for the given data
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