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Question: Keno Keno is a favorite game in casinos, and similar games are popular with the states that operate lotteries. Balls numbered 1 to 80 are tumbled in a machine as the bets are placed, then 20 of the balls are chosen at random. Players select numbers by marking a card. The simplest of the many wagers available is "Mark 1 Number." Your payoff is $3 on a $1 bet if the number you select is one of those chosen. Because 20 of 80 numbers are chosen, your probability of winning is 20/80, or 0.25. Let X = the net amount you gain on a single play of the game
(a) Make a table that shows the probability distribution of X.
(b) Compute the expected value of X. Explain what this result means for the player.
What is the probability that greater than 50 but less than 70 sales will be made? What is the probability that more than 70 sales will be made?
Did the support representative explain the process for resolving your problem? Did the support representative keep you informed about the status of progress in resolving your problem?
What fraction of shipments will Comdell accept? - What is the probability that a sample of size 50 will contain at least 10 defectives?
Two cards are picked in succession (without replacement) from a standard deck. If o is an outcome, let X(o) equal the sum of the numbers on the cards.
Samples can be chosen using a probability sampling plan and they can be chosen by selecting a simple random sample. One of these methods is a special case of the other. Explain which one is a special case of the other.
complete parts a through d for the sampling distribution of the sample mean shown in the accompanying graph. i attached
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the cost of a one-carat vs2 clarity h color diamond from diamond source use is 5600. a midwestern jeweler makes calls
Develop a decision tree for the case of a company operating at full capacity and with product demand rising. The choice is between new equipment and overtime.
question a study is conducted comparing hdl cholesterol levels between men who exercise regularly and those who do
Forty people were asked to rank the similarities between six diff erent types of sodas. The average similarity rankings are shown in given Figure. Use this data to create a two-dimensional perceptual map for sodas.
Calculate the following summary statistics: average, mode, median, standard deviation, range, and coefficient of variation. What are the 25th, 50th and 75th percentiles?
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