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1) A five member committee has to be formed from a special group of 7 Republicans and 8
Democrats.
a) In how many ways can we form this committee?
b) What is the probability that all members are Republicans?
c) What is the probability that there are at least two Democrats?
d) What is the probability of having a Republican majority?
e) If this special group of Republicans and Democrats contains 10 women and 5 men, what is the probability of forming this five member committee such that all members are women?
If three systems are installed, what is the probability that at least one of the systems will detect the attack? Would you recommend that multiple detection systems be used? Explain.
question 1new spark plugs have just been installed in a small airplane with a four-cylinder engine. there is one spark
How large should n be so that Chebyshev's inequality guarantees that the estimate is within 5 centimeters from h, with probability at least 0.99?
Consider that you are a line manager in your current Corporation. There is a 0.50 probability that you will be promoted this year. There is a 0.65 probability that you will get a promotion or a raise. The probability of getting a promotion and a r..
The following data represents the amount of time in minutes that a person had to wait for a bus to work on a random sample of 5 working days.
What is the linear programming model for this problem?
one hundred items are simultaneously put on a life test. suppose the life-times of the individual items are independent
Will the sum of squared deviation scores be greater for the test or the exam (assume the same number of people sat both the test and the exam)? Why?
The amount of money spent by a customer is uniformly distributed over (0, 100). Find the mean and variance of the amount of money that the store takes in on a given day.
Is it reasonable typical worker does not miss any days during a pay period?
Packets filled consecutively by the machine. Calculate the limits within which the weight of the packets should lie assuming that the machine is not been classified as faulty.
at a local panda express you can choose one base item from four possibilities rice fried rice vegetable noodles and
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