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A claim is made that 60% of the adult population thinks that there is too much violence on television. You think this figure is too high. Suppose that a random sample of 200 adults found that 110 thought there is too much violence on television. Is this enough evidence to reject the claim? What do we want to know?
A fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat?
Smaller the p-value in test of hypothesis, the more important the results are.
The standard deviation of the monthly growth rates will remain 60%. Is the increased investment growth worth the consulting fee?
Assuming that the goal of 4% undersized tomatoes is reached, what is the probability of getting no more than 1 undersized tomato in a randomly selected sample of 20 tomatoes?
Carry out a significance test for the hypothesis that the two tests have the same population mean. Give the P-value and state your conclusions.
Formulate a linear programming model for this problem (using QM on Windows and/or Excel on Windows)
Normally distributed with a mean of 9.75g and a standard deviation of 0.08g. Find the weights that separate the top 5% and the bottom 5%.
If the population standard deviation is s = 10, is the sample sufficient to demonstrate a significant effect? Again, assume a two-tailed test with a = 0.05.
The sample proportion of grandparents as primary caregivers(p-hat) is to be calculated. What is the standard deviation of the sampling distribution of p-hat?
Evaluate each expression-Diameter of a circle. If the diameter of a circle is 1.3 * 10^-12 meters, then what is the radius?
9 of 199 males receiving tPa and 13 of 97 males in control group died within 12 months. Create observed and expected contingency tables for these data.
In a recent study of incomes in Allegheny county in Pennsylvania it was found that distribution of family incomes is skew to the right. what can we say about the relationship between mean and median?
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