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A true coincidence at DisneyWorld Wisconsin has 5.4 million residents. On any given day, the probability is 1/5000 that a randomly selected Wisconsin resident decides to visit DisneyWorld in Florida.
a. Find the probability that they all will decide to go tomorrow, in which case DisneyWorld has more than 5.4 million people in line when it opens in the morning.
b. What assumptions did your solution in part a make? Are they realistic? Explain
the mean number of shares traded on on the new york stock exchange in june 2004 was 2.4 billion per day. assume that
an epidemiologist found five cases of big toe cancer in the yukon territory. because there were only a few cases the
Suppose that a guest claims that she played the slot machine 5 times and hit the jackpot twice. Find the probability of exactly 2 jackpots in 5 trials.
which of the following statements is a good definition of instrument validity?a it is the accurate measurement of a
Averaging 204 pins with a standard deviation of 24.9, can one conclude at a level of significance of .01 that the new ball has improved his game?
The rest have no opinion. " Suppose that a a sample of 100 American adults is quizzed on the subject. What is the probability of the following events?
thirty percent of diabetic patients admitted to a hospital have kidney problems. a sample of 10 hospital admissions of
What is the difference between the probability value and the significance level? Please, also provide examples.
Find the percentage of such males that weigh between 190 and 210 lb. (Note: Make sure you choose the flag value closest to 190 and 210.) Give the proportion as a decimal rounded to thousandths.
Determine the margin of error in estimating the population mean. Sample of 68 college students yields a mean annual income of $3248. Assuming that the standard deviation = $885.
How would you approach identifying the two correct time series in #1 to the proceed to merge them into one and make a weekly estimate of attendance?
The mean of a sample is 22.5. The mean of 1000 bootstrapped samples is 22.491. The bias of the bootstrap mean is
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