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1. How many 7-card hands are possible with a 52-card deck?
2. The owner of nuts2u snack shack mixes cashews worth $5.50 a pound with peanuts worth $2.30 a pound to get a half-pound mixed nuts bag worth $1.80. How much of each kind of nut is included in the mixed bag?
3. Determine whether the matrices are inverse.
[5 3] [2 -3]
[3 2] and [-3 5] NOTE: all in one bracket not two.
4. Use the gauss-jordan method to find A-1, if it exists
A=[1 1]
[1 -5] NOTE: all in one bracket not two.
5. Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation?
-5x+3y=8
3x-6y= -30
the quality-control manager at a light bulb factory needs to determine whether the mean life of a large shipment of
a friend of mine is giving a dinner party. his current wine supply includes 9 bottles of zinfandel 10 of merlot and 11
what are the roles of financial intermediaries differentiate between direct and indirect
Conditions to perform inference in regression
Assuming that Mendel's proportion of 3/4 is correct, find the probability of getting 787 or fewer plants with long stems among 1064 offspring plants. compare answers with binomial and normal approximation.
A psychologist has designed a questionnaire to measure individuals' aggressiveness. Assume that the scores on the questionnaire are normally distributed with a standard deviation of 80.
What is the upper limit of the 95% interval? Give your answer to three decimal places. Which of the following assumptions should be checked before constructing the above confidence interval?
six liters 0.006 m3 of liquid h2o at 32 c mass a and one liter 0.001 m3 of solid h2o ice at -32 c mass b are sealed in
question wageweb.com exhibits salary data obtained from surveys. it provides compensation information on over 170
ample of fifteen 8 ounce Baby Ruth candy bars are weighed and it is found sample standard deviation is 0.6 ounces. Test company's claim at (alpha sign) is 0.05.
lauren plans to deposit 3000 into a bank account at the beginning of next month and 225month into the same account at
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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