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Brain cancer is a rare disease. In any year there are about 3.1 cases per 100000 od population. Suppose a small medical insurance company has 150000 people on its books. How many claims stemming from brain cancer should the company expect in any year?
What is the probability of getting more than 6 claims related to brain cancer in a year?
Lead-time demand is 600 pounds. The standard deviation of lead time demand is 52 pounds. Supposing the lead time demand is normally distributed and that an acceptable risk of stocking out is 4%:
Suppose Z has a standard normal distribution with a mean of 0 and a standard deviation of 1.0. One-half (50%) of the possible Z values are between ________ and ___________ symmetrically distributed about the mean.
Perform a hypothesis test with significance level 5%. Show all work, and clearly state your conclusion.
Create a 95% confidence interval for the population mean days absent for sickness based on this sample. Select the answer closest to your results.
SOB's systolic blood pressure is a random variable with a mean of 145 mmHG and a standard deviation of 20mmHG. If the SOB's blood pressure is taken at a randomly chosen moment
The sales of Lexus automobiles in the Detroit area follow a Poisson distribution with a mean of 3 per day. What is the probability that for five consecutive days at least one Lexus is sold?
The probability of the patient being chosen at random as having meningitis as only site of infection is?
Conduct the hypothesis test and provide the test statistic, critical value and/or P- value and state the conclusion.
Calculate the expected number of days it takes to get the order and standard deviation.
Using an investment game, the study demonstrated that people who inhaled oxytocin were more likely to give their money to a trustee compared to people who inhaled an inactive placebo. For this experimental study, identify the independent variable ..
The value of the z score in a hypothesis test is influenced by a variety of factors. Assuming that all other variables are held constant explain how the value of z is influenced by each of the following: (a) increasing the difference b/w the sampl..
We want to estimate the population mean within 5, with a 99 percent level of confidence. The population standard deviation is estimated to be 15. How large a sample is required?
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