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in order to be able to meet an anticipated increase in demand for a basic industrial material a business is considering
a small company has developed a new product for the electronics industry the company believes that an advertising
in a jam factory a metal detector is used to locate pieces of metal in pots of jam in 95 per cent of the time it will
three bus companies serve a small town in yorkshire company x has 50 per cent of all scheduled routes company y has 30
each month dingo ltd receive a shipment of 1000 parts from their supplier past experience indicates that on average 100
a man arrives home at midnight drunk in order to placate his partner he decides to present her with some flowers picked
a switch has a 09 probability of working effectively if it does work then the probability remains the same on the next
a student group contains 40 men and 50 women of the men 60 per cent support longer opening hours for the union bar
a company manufactures red and blue plastic pigs 5 per cent red and 10 per cent blue are misshapen during manufacture
a small tourist resort has a weekend traffic problem during the summer season and is considering whether to provide
a items are packed into boxes of 1000 and each item has a probability of 0001 of having some type of fault what is the
a man has four cars for hire the average demand on a weekday is for two cars assuming 312 weekdays per year obtain the
the number of accidents per day on a particular stretch of motorway follows a poisson distribution with a mean of one
a quality control system selects a sample of three items from a production line if one or more is defective a second
a local newspaper has conducted a telephone survey in a neighbourhood with 900 dwellings and discovered that 60 per
the credit manager of a company knows from past experience that if the company accepts a good risk applicant for a
you are considering putting money into one of two investments a and b the net profits for identical periods and
which discrete probability distribution would be used for the following random variablesi the number of goals scored
mini case 102examples of events that can be modelled as poisson distributions include the number of deaths by horse
mini case 101here are three examples ofnbsppeople using the binomial in very different contexts in the first case the
the service manager of a garage wishes to determine the cost labour plus parts of performing a standard car service on
electrical resistors have a design resistance of 500 ohms the resistors are produced by a machine with an output that
the lifetimes of certain types of car battery are normally distributed with a mean of 348 days and standard deviation
mini case 111we have said that thingsnbspwhich are affected by numerous factors often have a normal distribution and
the development engineer of a company making razors has been asked by the marketing department to compare the shaving