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You are in possession of an unusual 5-sided die. Specifically, the die, which is not evenly weighted, takes on five different values with the following probabilities for each roll: 3 with probability 1/3; 4 with probability ¼; 5 with probability 1/5; 6 with probability 1/6; 20 with probability 1/20 Now suppose that you and your friend play the following game: In each round, you roll a die. If you roll a 4 or 20, your friend gives you a dollar. If you roll a 3, 5, or 6, you give you friend a dollar. A game consists of ten such rounds.
a. What is the probability that you come out even of win money after playing just one game?
b. What is the expected monetary gain or loss to you for playing this game?
A jar containing 100,000 marbles. There are 6 colors of marbles in the jar and they are present at frequencies of 2%, 2%, 4%, 10%, 57%, 25%.
1. each supplier is rated on a 10-point scale 10 highestfor four different criteria price quality delivery and
A random sample of 24 groups of adults has a mean daily lodging cost of $233 and a standard deviation of $12.50. Is there enough evidence to reject the claim at α= 0.10? Assume the population is normally distributed.
each day a large animal clinic schedules 10 horses to be tested for a common respiratory disease. the cost of each test
Suppose Z has a standard normal distribution with a mean of 0 and standard deviation of 1. The probability that Z is less than -2.20 is.
For each problem, compute a Welch F-statistic and determine whether or not significant differences exist among the treatment conditions.
A stock price is currently $100. Over each of the next two three-month periods, it is expected to increase by 10% or fall by 10%. Consider a six-month European call option with a strike price of $105.
an urn contains four red balls seven black balls and five green balls. if two balls are selected at random without
Compute test statistic and p -value for each sample. (Negative amount must be pointed out by minus sign.)
1. how do correlation coefficients summarize the information in scatter-plot? what do scatter-plots reveal that
Three dessert packages to choose from. In how many different ways could the couple select an appetizer package, a main course,and a dessert package?
we want to take a sample of 100 items out of a large batch for quality control purposes. based on past history the
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