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A fair coin is tossed repeatedly. Before each toss, you are allowed to decide whether to bet on the outcome. Can you describe a betting system with infinitely many bets which will enable you, in the long run, to win more than half of your bets? (Note that we are disallowing a betting system that says to bet until you are ahead, then quit.)
Write a computer program that implements this betting system. As stated above, your program must decide whether to bet on a particular outcome before that outcome is determined. For example, you might select only outcomes that come after there have been three tails in a row. See if you can get more than 50% heads by your "system."
a roulette wheel has 38 slots 18 of which are black 18 are red and 2 are green. each time the roulette wheel is spun
suppose the lifetime of a particular appliance follows an exponential distribution with a mean of 10 years. what is the
Diamonds and Hearts are red and Clubs and Spades are black. Suppose you randomly select three cards from the deck. The outcome of interest is the colour of each of the selected cards.
Suppose that the actual mean value in the population is mu =120 , what is the probability of a Type II error (incorrectly accepting a false null hypothesis)?
A random sample of 225 SAT scores has a mean of 1522. Assume that SAT scores have a population standard deviation of 300. construct a 95% confidence interval estimate of the mean SAT scores.
What is your opinion: Does this study provide evidence that the postmortem serotonin levels are different between patients who die of heart disease and patients who die of other causes?
The following data show levels of fertilizer use (lbs) and wheat yield (bushels) on repeated trials on a six acre plot.
A data set consists of 83 observations. How many classes would you recommend for a frequency distribution?
What is the chance that the number who say "yes" in a properly drawn random sample of 500 will be smaller than 360?
select a company maybe your employer and assess how it uses data in marketing its products or services. if it is not
The following information is obtained from two independent samples.
Profitability at a bank is declining as customers are shifting to other banks. As a researcher, identify the problem (root cause of the symptom) through a scientifically crafted research proposal.
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