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A box contains 4 bolts. Two of them, labeled #1 and #2, are 5 mm in diameter, and two of them, labeled #3 and #4, are 7 mm in diameter. Bolts are randomly selected until a 5 mm bolt is obtained. The outcomes are the sequences of bolts that can be selected. So one outcome is 1, and the other is 342.
a.) list the equally likely outcomes.b.) what is the probability that both sides are 7mm?c.) what is the probability that one bolt is 5mm and the other is 7mm?
From an inventory of 48 cars being shipped to local automobile makers, 12 have defective radios installed. What is the probability that one particular dealership receiving 8 cars will find 2 radios being defective? Make assumptions if necessary.
would this prove that they are exceeding their goal, using = .025?
A major department store chain is planning to open a store in a new city. Five cities are being considered: Boston, Atlanta, Dallas, Cleveland, and Los Angeles.
Determine the point estimate and 95% confidence interval for the mean family dental expenses of all employees of the company.
The scatter diagram for data set below is shown. a) given that x= 3.667, sx = 2.5819889, sy= 1.5937377 and r= -0.8894261, find out least -regression line.
95% confidence interval evaluate for proportion of Americans who believe Abraham Lincoln is United States' most outstanding President is 65% to 75%. If more precise estimate is requested, then confidence level.
Find a 96% confidence interval for the true percentage of all households that have central air conditioning. Write a sentence that interprets this interval.
Box 1 has 3 chips numbered 1,2,3. Box 2 has 2 chips numbered 1 and 2. Suppose a chip is randomly selected from box 1 and placed in box 2.
Looking at the data, the manufacturer is incorrect in its label claim. Perform hypothesis testing to prove or disprove it. Is the manufacturer correct in its label claim? Explain.
Creek Ratz is a very popular restaurant located along the coast of northern Florida. They serve a variety of steak and seafood dinners. During the summer beach season, they do not take reservations or accept a call seating.
The Precision Scientific Instrument Company manufactures thermometers which are supposed to give readings of 0o C at the freezing point of water.
Provided an example of a research problem at any organization that would benefit from the employ of either descriptive statistics or probability distribution statistics.
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