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find the median of an exponential random variable with rate a recall that for a continuous distribution f the median
the time between the first and second heart attacks for a certain group of people is an exponential random variable if
guests arrive at a hotel in accordance with a poisson process at a rate of five per hour suppose that for the last 10
suppose that at an italian restaurant the time in minutes between two customers ordering pizza is exponential with
suppose that the time it takes for a novice secretary to type a document is exponential with mean 1 hour if at the
the profit is 350 for each computer assembled by a certain person sup-pose that the assembler guarantees his computers
mr jones is waiting to make a phone call at a train station there are two public telephone booths next to each other
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let x the lifetime in years of a radio tube be exponentially distributed with mean 1p prove that x the integer part of
the length of an aluminum-coated steel sheet manufactured by a certain factory is approximately normal with mean 75
suppose that the iq of a randomly selected student from a university is normal with mean 110 and standard deviation 20
the amount of cereal in a box is normal with mean 165 ounces if the packager is required to fill at least 90 of the
suppose that the scores on a certain manual dexterity test are normal with mean 12 and standard deviation 3 if eight
suppose that lifetimes of light bulbs produced by a certain company are normal random variables with mean 1000 hours
the viscosity of a brand of motor oil is normal with mean 37 and standard deviation 10 what is the lowest possible
in a certain town the length of residence of a family in a home is normal with mean 80 months and variance 900 what is
suppose that the odds are 1 to 5000 in favor of a customer of a particular bookstore buying a certain fiction
every day a factory produces 5000 light bulbs of which 2500 are type i and 2500 are type il if a sample of 40 light
to examine the accuracy of an algorithm that selects random numbers from the set 1 2 40 100000 numbers are selected
a point is selected at random on a line segment of length z what is the probability that the longer segment is at least
a point is selected at random on a line segment of length f what is the probability that none of the two segments is
from the class of all triangles one is selected at random what is the probability that it is
let x be a continuous random variable with distribution function f prove that fx is uniformly distributed over 0
suppose that 90 of the patients with a certain disease can be cured with a certain drug what is the approximate