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Problem 1: Which of the following numbers could be the probability of an event? 1.5, , 0, Problem 2: A Deck of Cards: A standard deck of cards contains 52 cards, as shown in the figure below. One card is randomly selected from the deck. (a) Compute the probability of randomly selecting a two or three from a deck of cards. (b) Compute the probability of randomly selecting a two or three or four from a deck of cards. (c) Compute the probability of randomly selecting a two or club from a deck of cards. Problem 3: Life Expectancy: The probability that a randomly selected 40-year-old female will live to be 41 years old is 0.99855 according to the National Vital Statistics Report, Vol. 56, No. 9.
(a) What is the probability that two randomly selected 40-year-old females will live to be 41 years old? (b) What is the probability that ?ve randomly selected 40-year-old females will live to be 41 years old? (c) What is the probability that at least one of ?ve randomly selected 40-year-old females will not live to be 41 years old? Would it be unusual if at least one of ?ve randomly selected 40-year-old females did not live to be 41 years old? Problem 4: Find the value of the factorial, 7! Problem 5: Find the value of the permutation 7P2 Problem 6: Find the value of the combination 9C2 Problem 7: Clothing Options: A woman has ?ve blouses and three skirts. Assuming that they all match, how many different out?ts can she wear?
in a certain noisy factory workers are provided with earplugs and are expected to wear them. an industrial hygienist
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Aa mean of 72 mph and a standard deviation of 3 mph. Find the interval that contains the sppeds of 95% of vehicles traveling on this section of i-95.
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The standard deviation of the sample was 6 people. Develop a 95 percent confidence interval for the population mean.
A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40. Compute the probability that the sample mean is Between 74 and 76.
Show that Pearson's Chi-square statistic for testing Ho : 1 = 2 when there are k-categories reduces to Z^2 when k = 2, where Z = 2 sqrt(n)(p1-1/2) is the standard Z-test for testing Ho : 1 = 1=2
according to admissions at blank slate university the average act score of the incoming freshman class is 23. an
find the sample size required to estimate the mean age of registered drivers in the united states. assume that we want
Average length of trout caught in Swanson lake is u=19.For a random sample of 51 fish caught the mean length was xbar=18.5 inches with estimated standard deviation s=3.2 inches.
The total profit (in dollars) for sales of x rowing machines is given by P(x) = -0.2x^2 + 300x - 200. What is the profit if 500 are sold? For what value of x will the profit be at a maximum?
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