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A committee of 3 people is to be selected randomly from one of two classes.class a has 5 men and 5 women. Class b has 4 men and 6 women. A fair coin is tossed to determine which class is chosen to select the committee from. Given that the committee selected is all male,find the probability that class a was chosen
a. 0.71 b. 0.60 c. 0.91 d. 0.87 e. 0.50
Using the p-value approach, test the hypotheses at the 1% level of significance.
Random samples of populations (in thousands) of U.S. cities in three sections of the country are listed. Is there evidence to conclude a difference in means at the 0.001 level of significance?
during the period of time that a local university takes phone-in registrations calls come in at the rate of one every
1. a normally distributed population has a mean micro32 and a standard deviation ?7. for a set of samples of size
a lock on a bank vault consists of three dials each with 30 positions. in order for the vault to open each of the three
the maximum point total for the quarter was 200. The point totals for the 10 students are given in the stemplot below. For the density curve displayed below, which of the following is true?
data on the number of occurrences per time period and observed frequencies follow. compute the value of the test
compute the percentage of variance explained by the treatment effects . treatments a b c dss 24 ss 14 ss 26 ss
acrylic bone cement is sometimes used in hip and knee replacements to fix an artificial joint in place. the force
Formulate a linear program to determine the production plan for the next three months that will minimize the total cost. Develop an EXCEL spreadsheet to find the optimal solution for Contois Carpets.
Comparing Computer Results. Refer to the Minitab display below. The probabilities were obtained by entering the values of n=6 and p = 0.0167.
Let p represent the population proportion of all numbers in the corporate file that have a first nonzero digit of 1. Test the claim that p is less than 0.301 by using What is the P-value of the test statistic?
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