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a manufacturer of matches randomly and independently puts 15 matches in each box of matches produced the company knows
an fbi survey shows that about 70 of all property crimes go unsolved suppose that in your town 10 such crimes are
we toss n coins and each toss shows heads with probability p independently of each of the others each coin which shows
a major car manufacturer wants to test a new engine to determine if it meets new air pollution standards the mean
1 a team of researchers have developed a new weight loss drug they want to know if patients who use the new drug for
five houses in a row are each to be painted with one of the colors red blue green and yellow in how many different ways
jane must get at least three out of four problems on the exam correct to get an a she has been able to do 60 of the
a standard 52-card deck of cards is shuffled and then a hand of 8 cards is dealt from the deck how many different
a system has two independent components both components must function for the system to function the first component
suppose a soccer team wins each of its games with probability 04 loses with probability 04 and ties with probability 02
peter and maryam take turns throwing one dart at the dartboard peter hits the bullseye with probability 15 and maryam
the commissioner of the state police is reported as saying that about 10 of reported auto thefts involve owners whose
an investor considers investing 10000 in the stock market he believes that the probability is 030 that the economy will
what percent of the measurements are found below the 30th percentile found above the 30th percentilefor the regression
how would i calculate this to get the probability if a person bought 1 share of google stock within the last year what
the stat 200 course coordinator wants to estimate the proportion of all online stat 200 students who attend penn state
provide an example of population parameter sample and census in a business research project why is it important to
the mean time it takes a technician to resolve a software issue is 18 minutes with a standard deviation or 42 minutes
the meantime it takes a technician to resolve this software issue is 18 minutes with a standard deviation of 42 minutes
in a sample of 12 kids their mean time on the internet on the phone was 39 hours with a standard deviation of 07 hours
want the 98 confidence interval when the sample size is 50 sample mean is 42 and sample standard deviation is 5 keep
the owner of the heating and air-conditioning company has two employees that make service calls he is interested in the
a random sample of 12 parts from factory a has an average reliability of 448 with a sample standard deviation of 319 a
let x be a random variable with range rx -1 0 1 and let px 1 px -1 p2 for some p isin 0 1a compute px 0b compute