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You wish to determine whether a friend's die is "loaded." You roll the die 120 times and obtain the following results:
Side coming up: 1 2 3 4 5 6
Number observed: 16 16 10 20 28 30
(a) Give H0 for this situation (use fractions).
(b) Can a single H1 be written? (Explain.)
(c) Compute χ2 , complete the test (α = 05), and draw your conclusion regarding this die.
(d) Do these results prove the die is loaded and thus unfair? (Explain.)
Find the complex solution to this quadratic equation: x^2 + 6x + 10 = 0.
Using α = .05, interpret the ANOVA results. Comment on the order in which the ANOVA F-tests should be conducted and whether any of the tests should be ignored.
Use simple exponential smoothing with α = 0.33 to forecast battery sales for February through May. Assume that the forecast for January was for 22 set of tires.
ECO502 Decision Making. Assume that the average admission for all hospitals in Melbourne is 7500. Conduct a statistical hypothesis test to determine if the admission of hospitals in Melbourne is significantly different from the average admission 6..
Let X be a continuous random variable with distribution function F. Prove that F(X) is uniformly distributed over (0, 1).
Assume constant interest and benefits at the end of the year of death. Find an expression for β, when premiums are payable for n years.
What are the differences between the executive power of France and Germany?
guy thinks that nba players in general are taller than high school basketball players. he has measured 5 nba players
Create by hand decision tree for this problem and then examine decision tree to recognize optimal policy. Use TreePlan to create and solve decision tree.
1. the company believes that it averages about the same weight per bag in each of two production lines. to test this
The following problem develop the concept of determining the probability distribution of random variable and its mean and variance.
Find the probability that a randomly selected man who has never married is between 35 and 44 years old (inclusive)
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