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Describe the types of probability.
Classify the statement as an example of classical probability, empirical probability, or subjective probability. a. The probability of randomly selecting five cards of the same suit (a flush) from a standard deck is about 0.0005.
b. The probability of a person from the United States being left-handed is 11%.
c. The chance that a randomly selected person in the United States is between 15 and 24 years old is about 14%.
Determine 80% confidence interval for average weights of Allen's hummingbirds in study regions. Determine the margin of error?
1.two coins are tossed and the total number of heads is counted. which of the following would be a legitimate
test the hypothesis that the mean μ = 100 against the alternative μ ≠ 100. Find the type II probability when the true mean heat evolved is 103.
In classical hypothesis testing, test statistic is to critical value what the?
Find a positive integer smaller than 500 that has a remainder of 3 when divided by 5, a remainder of 6 when divided by 9, and a remainder of 8 when divided by 11.
A file cabinet manufactor estimates that 5% of it's file cabinets will have drawers that close improperly. Assume a production of 120 cabinets is completed. What is the mean and the standard deviation of this distribution?
The probability that 0, 1, 2, 3 or 4 people will seek treatment for the flu during any given hour at any given emergency room is shown in the following distribution. What are the variance and standard deviation of X?
At the .05 level of significance, is there evidence of a difference in variability in the shipping time between the two outlets? What decision should the carpet manufacturer make?
Does this sample give sufficient evidence to conclude that self-esteem scores for group-participation adolescents are significantly different from those of general population? Use two-tailed test with α = .01.
On average a certain intersection results in 3 traffic accidents per month. What is the probability that for any given month at this intersection
Is there reason to believe there is a positive linear correlation between the number of t.v. commercials and the sale of this product?
A random variable is normally distributed with a mean of 25 and a standard deviation of 5. If an observation is randomly selected from the distribution:
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