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1. Only two doctors would make a diagnosis on patients coming into the same STD clinic for gonorrhea. The probability of the two doctors making a diagnosis of gonorrhea is (independent, dependent, synergistic, cannot tell).
2. Assume that birth weights are normally distributed with a mean of 3400g and a standard deviation of 700 g. If you want to find the probability that a birth weight will be less than or equal to 2000 g you would first normalize and set up the equation as:
Ski resort profits $1,500,000 during a good winter with lots of snow. The resort has a loss of $500,000 otherwise. The resort's historical climate data suggests that the probability of a good winter with lots of snow during any given year is 40%.
Determine the probability of fatal accident over a lifetime? Describe your reasoning carefully. Hint: Suppose independent events. Why might the supposition of independence be violated?
The p-value for a test statistic is .085, what is the minimum level of significance required to reject the null hypothesis?
Determine a 99% confidence interval for mean pH in rainfall. How would you distinguish interval?
The hypotheses for this scenario are as follows: Null Hypothesis: μ ≤ 21.61, Alternative Hypothesis: μ > 21.61. You perform a one sample mean hypothesis test on a random sample of data and observe a p-value of 0.0095. What is the appropriate concl..
The following are quality control data for a manufacturing process at Kensport Chemical Company. The data show the temperature in degrees centigrade at five point in time during a manufacturing cycle.
Multiple choices based on regression analysis - how much or how many but instead is assigned values to represent categories
The inside diameter of a randomly selected piston ring is a random variable with mean value 12 cm and standard deviation 0.02 cm.
Describe a study you might design that could use the Chi Square statistic. What are the variables? What are the null and alternative hypotheses? Why would the Chi Square test be appropriate for this design?
What sample size would be needed to estimate he population mean to within one-half standard deviation with 95% confidence?
The ANOVA table is given below,as well as a table of means and standard deviations for the three groups. Evaluate the t statistic for testing contrast
Using variables below, (1) mention all research questions that would be replied with a Two Way ANOVA test, (2) make null hypotheses for these questions.
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