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A deck of cards contains 52 cards, 13 in each of four suits (hearts, diamonds, clubs and spades). Suppose you have been dealt five cards without replacement from a randomly shuffled deck of cards. Find the probability that al five cards are hearts.
a) .002578b) .003451c) .000993d) .000495
By using the 0.10 level of significance, is there evidence that the population mean is above the $300?
The monthly sales volume (in thousands of dollars) for a manufacturer of snow skis is seasonal (there tend to be more skis sold during fall and winter months than during warmer months). The following table shows the monthly seasonal indexes for th..
It has been estimated that 30% of all farms are family-owned. In a sample of 12 farms, what is the probability that exactly three farms are family owned?
The final grades given by two professors in introduction to operations research course have been carefully examined. The students in the first professor's class had a grade point average of 3.0 and a standard deviation of 0.2.
Conclude that the population average pulse rate is 71.8. Reject the hypothesis that the population average pulse rate is 70.
The study does provide sufficient evidence to support the claim that less than 75% of college student spend less than $250 per semester on textbooks.
Aggregate the opinions of the experts by computing the minimum, maximum, 25 th percentile, 50 th percentile, and 75 th percentile values.
Compute a 95% confidence interval for the mean using the formula and where is the mean of the ten random numbers.
Linear programming problems. Computethe following linear programming problem. Among which of the following points (X,Y) is feasible.
We want to test the hypothesis that population B has a smaller variance than population A.
Given that Z is standard normal randam variable. Compute the value of Z if area between –Z and Z is 0.754:
A major benefit of two-way ANOVA over several one-way ANOVAs, If an F test for interaction is significant.
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