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Question: Casino games often use a fair die that has six sides with 1 to 6 dots on them. When the die is tossed or rolled, each of the six sides is equally likely to come out on top. Using the physical assumption that the die is fair, determine the probability of each of the following outcomes for the number of dots showing on top after a single roll of a die:
a. Six dots.
b. One or two dots.
c. An even number of dots.
What is the null hypothesis? Use a = 0.05 .
suppose the probability is 0.8 that any given person will believe a tale about the transgressions of a famous actress.
Group the data in given problem into classes, and draw a histogram of the frequency distribution.- Find the population mean and the population standard deviation.
a pair of fair 6-sided die one green one red are rolled. let x be the number on the green die y be the number on the
In a separate visit to the restaurant, the dining-column journalist is accompanied by three colleagues. Each person orders one hamburger. What is the probability that at least 2 of these 4 customers will get a hamburger that had a pre-cooked weigh..
Academic degrees and gender. Here are the projected numbers (in thousands) of earned degrees in the United States in the 2010-2011 academic year, classi?ed by level and by the sex of the degree recipient:28
The SAT scores of students are normally distributed with a mean of 950 and a standard deviation of 200. Nancy Bright's SAT score was 1390. What percentage of students have scores more than Nancy Bright?
a sociologist studying the justice system has just written a paper detailing her findings after she examined the
Suppose the following table shows the number of colds 7 different people got during the typical cold season based on the number of times they washed they washed their hands per day during the cold season.
Picking melons. Two stores sell watermelons. At the first store the melons weigh an average of 22 pounds, with a standard deviation of 2.5 pounds.
Make a two-way table of treatment versus outcome (subject improved or not). Is there a significant relationship between treatment and outcome?
a random sample of 200 college students taken by this researcher showed that these adults spend an average of 13.75
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