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A flood discharge has a recurrence interval of 50 years.
(1) What is the probability of a flood of that magnitude or greater occurring during the next year?
(2) What is the probability of it not occurring during the next year?
(3) What is the probability of it occurring during the next 30 years?
(4) What is the probability of it not occurring during the next 30 years?
(5) What is the probability of it occurring during the next 50 years?
(6) What is the probability of it occurring during the next 100 years?
Twenty-six countries won medals in the 2010 Winter Olympics. The following table lists them, along with the total number of medals each won.
a buyer for msg must buy enough chicken tenders to supply all the concession stands around the arena during playoff
Random sample of 100 people yielded following data on number of tissues utilized in a cold: x-bar = 38, s = 20. By using sample information provided, compute the value of test statistic for the relevant hypothesis test.
Determine the level of significance for testing Ha: µ = 40. Is there significant evidence in the data to support the contention that the additive has decreased the mean absorption rate of the stain using an a =.05 test?
If the card selection is without replacement, what is the probability that the first card is an ace and the second card is also an ace? (Express the answer in simplest fraction form)
If the voice identifications were made by random guess, find the probability that all 9 victims would select the same person?
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.
What are the main difference between the frequency distribution of continuous data and discrete data.2. How would you present a continuous data as though discrete?
The area of study is Sampling Methods and the Central Limit Theorem. Consider the digits in the phone numbers on a randomly selected page of your local phone book a population.
How many more observations are necessary for the efficiency expert to be 95% sure that the point estimate x¯ will be in error from the true mean p by at most 15 seconds and find a 75% confidence interval for the population mean number of cars per su..
Explain how one extreme score influences mean and standard deviation.
What sampling method is best suited for such a survey? Why? Draw the sample using the random number table and bring out the rationale of the procedure. Limit your sample to 25 persons.
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