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Classify each random variable as discrete or continuous.
a. The number of votes necessary to elect a new Pope.
b. The amount of sugar in a 16-ounce sweetened bottled drink purchased in a New York City cafe.
c. The total number of riders on all forms of public transportation in the United States during the year.
d. The number of residents in an assisted-living center who suffer from hardening of the arteries.
e. The amount of lead measured in the soil of a children's playground.
f. The time it takes an automobile to pass through the George Massey Tunnel in Vancouver, British Columbia.
a company that produces a particular machine component has 3 factories one each in buffalo detroit and pittsburgh. 27
Consult the corporate data shown below. Plot data; find µ, σ, σ2; and identify outliers.
1. describe the three most common causes of strength degradation of mechanical components. give examples of each with
A bag contains 5 blue balls and 8 purple balls. If 3 balls are chosen randomly and without replacement, form the bag. Let x be the number of blue balls obtained. Then x has a distribution.
Use these statistics to construct a 94% confidence interval for the mean monthly consumption for the population of all Ontario households.
give and describe an example of a nominal measurement
How is a sampling distribution of the mean similar to and different from a distribution of raw scores? What is the standard deviation of a sampling distribution of the mean called? How is it affected by sample size?
Compute the value of the test statistic. What is your decision regarding H0? H0. The mean number of calls is than 39 per week.
The heights of 20- to 29-year-old females are known to have a population standard deviation 1) = 2.7 inches. A simple random sample of n = 15 females 20 to 29 years old results in the following data
According to the National Institute of Allergy and Infectious Diseases, approximately 7% of American children 4 years of age or under have a food allergy. A day care has capacity for 8 children in that age range.
probability values based on normal distribution.the old exit exam followed a normal distribution with micro 500 and
Q2 is dummy variable equal to 1 in second quarter and 0 otherwise; and Q3 is final dummy variable equal to 1 in third quarter and 0 otherwise. Determine the Base Quarter?
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