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The length of time it takes to find a parking spot at the mall follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes.
Insurance probability tables, as the one on the attachment, tabulates the average # of American males per 100,000 who will die during various age intervals.
Gas Station pump signs, at one chain, encourage customers to have their oil checked, claiming that one out of every four cars should have its oil topped.
If the probability that an individual suffers a bad reaction from injection of a given serum is 0.001, determine the probability that out of 2000 individuals;
Replacement time for tv sets normally distributed with a mean of 8.2 years and a stan. dev. of 1.1 years. a) Find probability that a randomly selected set
The manager of a toy store has to decide how many toys to stock for the Christmas season. Each toy cost the store $5 and is sold for $10.
A group of 30 people gather in a room. What is the probability that at least 2 of these people have the same birthday? The year of birth is not considered
In a recent poll of married couples, about 79 percent of the men and 55 percent of the women were employed outside the home
Construct a table giving the binomial distribution for each of the following:
Find the value of C that makes f(y) a probability density function, then find E(Y)
A True-False test was developed for a Risk Management class. A student, who didn't study, decided to randomly guess the answer on each question.
Let X be a random variable with uniform distribution over the interval (0,1) and let Y = X^2 (X squared). Find the probability density function of Y.
Assume that 12 percent of adults in this country have filed for bankruptcy at some point in their life. If an independent sample of 20 adults is selected
A rugby team of 13 consists of five backs, six forwards and two halves.
Eagle airlines' planes hold only 15 people. Past records indicate that 20% of the people making a reservation do not show up
Currently, an average of 7 residents of the viallage of Westport (population760) die each year (based on data from the U.S. National center for Health Stastics)
According to Census Bureau, deaths in the United States occur at a rate of 2,425,000 per year.
A box contains glass lenses used for traffic signals. Six are red, four are yellow, and seven are green. If two are chosen at random find the probability
If two events are dependent, then P(A/B) will equal _______________.
Busy Tellers. Prescott National Bank has six tellers available to serve customers. The number of tellers busy with customers at, say, 1:00 P.M. varies
On the Titanic, the passenger roster showed that there were 1692 men, 422 women, 64 boys, and 45 girls. Only 332 men and 29 boys survived
Let X1 and X2 have the joint pmf p(x1,x2) = (x1x2)/36 x1=1,2,3 and x2=1,2,3, zero elsewhere. Find first the joint pmf of Y1=X1X2 and Y2=X2
The National Collegiate association (NCAA) reported that the mean number of hours spent per week on coaching and recruiting by college football assistant
Suppose we turn over cards simultaneously from two well shuffled decks of ordinary playing cards. We say we obtain an exact match on a particular turn
A book of 450 pages contains 450 random misprint error(s). What is the probability of exactly 0 errors on a randomly selected page?