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Students who live in the dorms at a college get free T.V. service in their rooms, but only receive 6 stations. On a certain evening, a student wants to watch T.V. and the six stations are broadcasti
A standard 52-card deck is shuffled and 2 cards are picked, without replacement, from the top of the deck. The probability that the first card is a face card (Jack, Queen, King) and the second card
A standard 52-card deck is shuffled and 2 cards are picked, without replacement, from the top of the deck. The probability that the first card is a Heart and the second card is a Spade is
According to the Penn State Fact Book for Enrollment by Ethnicity Fall 2005 [University Park], roughly 4 out of 5 students enrolled are White. What is the probability that a student who was enrolled
From a Class Survey, approximately 32% of the students responding said that they have driven a vehicle while under the influence of drugs or alcohol.
Choose a problem that interests you. Create a data set (at least 10 instances) either your own or you can take online available data set. Select features that you will use to represent the data of y
Clearly state a nal model that adequately models the gender of candidates. Use the AIC and the deviance to help you decide on a model.
The average weight of adult male bison in a particular federal wildlife preserve is 1550 pounds with a standard deviation of 210 pounds. Find the weight of an adult bull whose z-score is -2.
How many Martian poker hands are Martian full houses? If a Martian poker hand is dealt at random, what is the probability that it is a Martian full house.
Assume that the result is a sample size beyond what you can obtain. Use the compromise function to compute alpha and beta for a sample approximately half the size. Give your rationale for your selec
A random sample of 50 price changes is selected from the many listed for a large super- market during a reporting period. If the probability that a price change is posted correctly is .93, Write an
A survey is conducted to estimate the percentage of pine trees in a forest that are infected by the pine shoot moth. A grid is placed over a map of the forest, dividing the area into 25-foot by 25-f
The probability that a randomly selected person has high blood pressure and is a runner is 0.2. Find the probability that a randomly selected person has high blood pressure, given that he is a runne
What can be said about the approximate percentage of observations between 3200 and 3600? (Round the answer to the nearest whole number.)
The question: "Two distinct integers are chosen at random and without replacement from the first six positive integers. Compute the expected value of the absolute value of the difference of these tw
A university has 1000 computers available for students to use. Each computer has an 850-gigabyte hard drive. The university wants to estimate the space occupied on the hard drives.
She sampled 20 teams from 2012 NFL season and found the average fan cost index to be $440 with a standard deviation of $83. a. What is our population mean? What is our best estimate?
Assuming that training can affect the average time but not the standard deviation, the managers are interested in knowing to what level the mean call time needs to be reduced in order to meet the 1
Assume that the time required to download a file from the iTunes is exponentially distributed with mean equal to 4 minutes. What is the probability that a download will require no more than 2 minute
An experiment involves selecting a random sample of 256 middle managers. One item of interest is their mean annual income. The sample mean is computed to be $35,420 and the sample standard deviation
What is the probability of obtaining 2 heads out of 5 tosses of a coin in a binomial distribution?
In a random sample of 5 parts on an assembly line, the probability that one of the parts is a defect is 15% and follows a binomial distribution. What is the probability of 3 or 4 parts being defecti
What is the probability of a person having cancer given that the test does not indicate cancer?
It has been estimated that the probability of a male birth is 0.513. If a couple have five children, determine the probability of the following scenarios:
In the Fall semester of 2011, 48.1 % of students at UTA were women. Suppose that two students from UTA are selected at random. Using the probability tree method, calculate: The probability of gettin