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In the (fictional) dice game Piracy, a player begins a turn by rolling a handful of 13 (fair, independent, six-sided, standard) dice.
a) The order of the dice doesn't matter for gameplay. All that matters is how many of each number is rolled. How many different rolls are possible?b) What is the probability of rolling 2 ones, 1 two, 4 threes, 3 fours, 2 fives, and 1 six?c) What is the probability that there will be at least three dice showing the same number?
A company must hire a new CFO and prepares a final list of five candidates - all are equally qualified. Two of the candidates are members of a minority of a minority group. To avoid bias in the selection of the candidate
Review the Christian year pie chart and write a summary in which you (a) describe the significance of the holy days on the chart.
In a study of the lizard Sceloporis occidentalis, researchers examined field-caught lizards for infection by the malarial parasite Plasmodium. To help assess the ecological impact of malarial infection, researchers tested 15 infected and 15 noninf..
The modem receiver takes a majority vote of the five received bits to estimate the input signal. Find the probability that the receiver makes the wrong decision.
A Business Week North American subscriber study collected data from a sample of 2861 subscribers. Fifty-nine percent of the respondents indicated an annual income of $75,000 or more, and 50% reported having an American Express credit card.
The engineers hoped to base their decision on the reactions of 50 drivers, but time and budget constraints may force them to cut back to 20. How would this affect the power of the test? Explain.
What is the degree of correlation between the dependent variable and the independent variable? Is the statistical significance of the model as a whole less than the desired statistical significance for the regression model? Explain the basis for yo..
a surgical technique is performed on seven patients. you are told there is a 70 chance of success. find the probability
Based on the information in (a), find a one-sided lower 90% confidence limit for m. Also, find a one-sided upper 90% confidence limit for m.
Results of study are summarized below. Use a 5% level of significance and test claim that opinion is independent of brand.
In what situations might you use probability as a manager to approach business-related problems? What are the advantages to using probability concepts in business decisions?
According to an Internet posting, 80% of adults enjoy drinking beer. If a group of 3 adults is selected at random, find the probability that none of them enjoy drinking beer.
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