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question complete the appropriate test to determine whether there is a significant difference in mean profit between
consider two urns labelled urn 1 and urn 2 suppose as in exercise 1 that urn 1 has 5 red and 7 blue balls that urn 2
suppose we roll a fair six-sided die and then flip a number of fair coins equal to the number showing on the die for
suppose we roll a fair six-sided die and then pick a number of cards from a well-shuffled deck equal to the number
question two machines filling bottles of shampoo one machine had a mean of 500 ml sd 10 ml the other a mean of 750 ml
question the finance department of a large organisation has responsibility for monitoring costs in other departments of
question a large retail store buys an item from a supplier in batches of 100 because of the delicate nature of the item
consider three cards as follows one is red on both sides one is black on both sides and one is red on one side and
question a small firm has recently purchased a new pc system comprising a colour monitor a cpu a laser printer and a
suppose we roll three fair six-sided dice compute the conditional probability that the first die shows 4 given that the
the game of craps the game of craps is played by rolling two fair six-sided dice on the first roll if the sum of the
question on average last year a local leisure centre had 230 customers per day standard deviation 27 and the
the monty hall problemsuppose there are three doors labeled a b and c a new car is behind one of the three doors but
question an auditor is checking invoices that have been paid to see if they contain any errors historically around 7
suppose two people each flip a fair coin simultaneously will the results of the two flips usually be independent under
suppose you are able to repeat an experiment many times and you wish to check whether or not two events are independent
question an enterprising mba graduate who has been unable to find gainful employment has taken to visiting an office
question a supermarket sells one particular item in its store on a regular basis it currently has 750 units of this
consider flipping two independent fair coins let x be the number of heads that appear compute pxx for all real numbers
question a firm is involved in manufacturing high-quality electrical equipment each item produced costs pound6000 and
suppose that a bowl contains 100 chips 30 are labelled 1 20 are labelled 2 and 50 are labelled 3 the chips are
question after conducting market research we have found that the possibility of a customer in the top 5 per cent group
suppose a standard deck of 52 playing cards is thoroughly shuffled and a single card is drawn suppose an ace has value
question a manufacturing firm has decided to capitalise on its existing success by building an extension to its
suppose a university is composed of 55 female students and 45 male students a student is selected to complete a