What is chance of obtaining
What is chance of obtaining 5 heads and 15 tails when we toss the fair coin 20 times? Answer should be simplified fraction a/b. Hint: The answer can be found using n =20 in pascal triangle or using binomial expansion of (1/2 + 1/2)20.
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A security consultant has observed that attempts to breach the security of the company's computer system occurs according to a Poisson process with a mean rate of 2.2 attempts per day. (The system is on 24 hours per day.)
AAA Oil Company sells cans of oil that have 33.814 ounces of their product. Government regulators say that at least 98% of cans should contain 33.814 ounces ounces or more.
A player joins the game and strangely loses the first 5 games. Determine the probability that it would take more than 5 games in order to win her first game?
The director of career advising at the Orange Community College desires to employ decision analysis to give information to help students decide which 2-year degree program they should pursue.
Point out why a correlation would be the appropriate analysis for this research question. Explain the variables and their scale of measurement. Describe the expected outcome (i.e., positive, negative, no relationship).
You're interested in knowing the GPA of each of your students in your English class. The class has 18 students and average GPA of 3.31. In order to find out the individual GPA's you ask each student for his/her GPA.
Determine the total of the sum of squares and degrees of freedom? What is the mean squares of treatment and error? What is the F-test statistic of Treatment?
If the fraction of defective parts on a production line is known to be 3%: What is the probability that a sample of 40 parts will contain exactly 2 defectives?
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