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1. Space shuttle astronauts consume an average of 3000 calories per day. One meal normally consists of a main dish, a vegetable dish, and two different desserts. The astronaut can choose from 10 main dishes, 8 vegetable dishes and 13 desserts. How many different meals are possible?
2. A distribution center receives shipments of a product from three different factories in quantities of 60, 30, and 25. Three times a product is selected at random, each time without replacement. Find the probability that (a) all three products came from the third factory and (b) none of the three products came from the third factory. (Round both to the nearest thousandth.)
An auditor for a large oil corporation has taken a random sample of monthly credit card charges for 32 individual (non-corporate) accounts.
You own a Pepsi bottling plant, and you are concerned about filling the bottles to the correct level. Should you conduct a one-tailed or two-tailed hypothesis test? Explain.
a mean of 20 minutes and a standard deviation of 3 minutes. how long does it take the slowest 10% of the students to walk from the dorms to the chemistry lab.
A report on the U.S. economy indicates that 28% of Americans have experienced difficulty in making mortgage payments. A news organization randomly sampled 400 Americans from 10 cities named the "fastest dying cities in the U.S."
This yields 4 conditions: normal, mean (0 for errors, constant within treatment), constant variance and independent. B)(3) From the output given, are the assumptions in part a) satisfied?
A researcher predicts that watching a film on institutionalization will change students' attitudes about chronically mentally ill patients.
suppose that john and david are shooting at a target. the probability that john hits the target is 17 and the
In comparing two variances below, determine test value and what are degrees of freedom that must be used?
Birth weights of babies in the United States can be modeled by a normal distribution with mean 3250 grams (7.165 pounds) and standard deviation 550 grams (1.213 pounds). Those weighing less than 2500 grams (5.512 pounds) are considered to be l..
Calculate the standard deviation of BMI. Calculate the median BMI. The following are body mass index (BMI) scores measured in 12 patients who are free of diabetes.
A) Please develop the Expected frequencies table based on the above information.
in a test of the effectiveness of garlic for lowering cholesterol 42 subjects were treated with garlic in a processed
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