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A marketing company performed a risk analysis for a manufacturer of synthetic fibers and concluded that new competitors present no risk 13% of the time (due mostly to the diversity of fibers manufactured), moderate risk 72% of the time (some overlapping of products), and very high risk (competitor manufactures the exact same products) 15% of the time. It is known that 12 international companies are planning to open new facilities for the manufacture of synthetic fibers within the next three years. Assume the companies are independent. Let X, Y, and Z denote the number of new competitors that will pose no, moderate, and very high risk for the interested company, respectively.
(a) What is the range of the joint probability distribution of X, Y, and Z?
(b) Determine P(X = 1, Y = 3, Z = 1)
(c) Determine P(Z <>
Michael Jordan makes 80 percent of his free throws. What is the probability that he will make at least six of his next eight free-throw attempts?
Using an appropriate graphical display, describe the relationship between DNA and phytopigments and fit a regression line to the data. Write down the equation of the model and interpret all parameters in the model.
What is the minimum length of the bench if you want a 0.975 probability that it will fit the combined hip breadths of 18 randomly selected men?
When constructing your decision tree, you can reuse the EMV for the outcome after the decision to not hire the consulting team.
Twenty-six countries won medals in the 2010 Winter Olympics. The following table lists them, along with the total number of medals each won.
support requests arrive at a software company at the rate of 1 every 20 minutes. assume that the requests arrive as
Assume the earnings from this investment project is a normal distribution. What is the probability that you will lose money or earn nothing from this project.
The historical reports from two major networks showed that the mean number of commercials aired during prime time was equal for both networks last year.
Is there enough evidence to support the consumers conjecture at a=0.05. First, indentify the alternative and the null hypotheses.
Suppose a random sample of size 21 is taken, and the variance of the sample is calculated to be 5.??a. What is (approximately) the probability that the population variance σ² is less than 4?
salt-free diets are often prescribed to people with high blood pressure. the data shown below were obtained from an
1. Grades for ten students are: 88, 90, 83, 97, 73, 88, 83, 59, 73 and 79. Determine the following: a. Measures of central tendency: mean, median, and mode
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