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a box contains 20 fuses of which 5 are defective if 2 fuses are chosen together at random what is the probability that both the fuses are
mark number of student 0-10 4 10-20 8 20-30 11 30-40 15 40-50 12 50-60
a and b throw with one dice for a prize of rs11 which is to be won by a player who first throws 6 if a has the first throw what are
a b c d e supply p 3 4 6 8 8 20 q 2 6 0 5 8 30 r 7 11 20 40 3 15 s 1 0 9 14 6 13 d 15 3 12 10
9 from 11 positive integer scores on a 10-point quiz the mean is 8 the median is 8 and the mode is 7 find the maximum number of perfect
one measure of the risk or volatility of an individual stock is the standard deviation of the total return capital appreciation plus dividends over
an hiv educator wishes to determine whether the method of delivering teaching influences adherence with antiretroviral therapy she decides to
a bag contain 5 white 7 red and 8 black balls if four balls are drawn one by one without replacement find the probability of
question 1a describe the factors that contributed to the adoption of structural adjustment programme by a majority of least developed countries in
questiona packs of food have weights that are distributed with standard deviation 23 g a random sample of 200 packets is taken the mean weight of
questiona find the number of different words which can be formed with the letters a a a b b c c ifi there is no restriction ii they
questiona i define the term multicollinearityii explain why it is important to guard against multicollinearityb i sometimes we encounter missing
questiona suppose that 100 tires made by bridgestone last on average 21819 miles with a standard deviation of 1295 miles test the null hypothesis
question 1a 75 percent of all people in a population are vaccinated against a par-ticular disease during an epidemic the probability that a
i would like to know what the appropriate statistical test is for investigating an association between a nominal variable and an ordinal variable
find the probability of drawing a diamond card in each of the consecutive draws from a well shuffled pack of cards if the card drawn is not replaced
question 1 a box contains 20 fuses of which 5 are defective if 2 fuses are chosen together at random what is the probability that both the fuses are
build-rite construction has received favorable publicity from guest appearances on a public tv home improvement program public tv programming
questioni a soft drink machine is regulated so that it fills an average of 300 cl per cup if the amount of drink in each cup is normally distributed
questiona a normal distribution is thought to have a mean of 50 a random sample of 100 gave a mean of 526 and a standard deviation of 145 a
questiona shale oil located in the island of aruba has a capacity of 600000 barrels of crude oil per day the final products from the refinery
question 1a the grouping of organisational activities usually into lsquodepartments or larger lsquodivisions will be done in different ways outline
question 1a mail-order firm has a circular which elicits a 10 response rate suppose 20 of the circulars are mailed as a market test in a new
questiona 100 individuals applied for systems analyst positions with a large firm during the past year 40 of them had some prior work experience w
problema survey usually originates when an individual or an institution is confronted with an information need and the existing data are