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A vending machine dispenses coffee into an 8 ounce cup. The amount dispensed is normally distributed with a standard deviation of 0.05 ounces. You can allow the cup to overfill 4% of the time. What amount should you set as the mean amount of coffee to be dispensed?
How can standardized z-scores be used to compare people across different contexts, such as the batting averages of two players -one who played in the 1970s and one who played in the 1990s?
Find the sampling plan if the producer's stipulation is to be satisfied exactly. Find the average sample number for lots that are 1.8% nonconforming.
If a manufacturer of the new high-tech printers claims that the new device can print a page in 3 seconds on average, and a random sample of 20 pages shows a sample mean of 4.6 seconds and sample standard deviation of 2.1 seconds, can the manufactu..
Assume grades in a course follow a normal distribution. The average grade in a class is 75, and the standard deviation is 5 points. A professor takes a sample of 10 people in the class and calculates the average for that class is also 75. IN other..
Suppose that qx is equal to a constant q for all x. Find expressions in terms of q and n for (a) npx, (b) ex. Do you think that this gives a realistic life table? Why or why not?
In the prime factorization of an integer, what is the maximum number of prime factors greater than the square root of that integer? If there is a prime factor greater than the square root of that integer
Suppose that an ESP test is conducted by having someone guess whether each of n coin flips will result in heads or tails. The null hypothesis is that p = .5.
Shown below is computer ouput for a regression analysis relating Y (demand in units) and X (unit price).
1.one characteristic of billiard balls is their elasticity - the bounce they get when striking one another. a
The method of least squares can be used to fit curves to data. Using the method of least squares, find the normal equations that provide least squares estimates of α, β, and γ when fitting a quadratic curve of the form y = a + bx + γ x2 to paired ..
What is meant by the corpus delicti of a crime? How does the corpus delicti of a crime differ from the statutory elements that must be proved to convict.
q1. a market researcher wants to test to determine if families of four in city a spend less per week on average than
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