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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
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
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
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 according to a business week poll of 1035 adults 40 of those surveyed agreed strongly with the proposition that business has too much power
a company of accountants has branches in five regions port louis pl curepipe cpe beau bassin bb rose hill rh and quatre bornes qb it employs the
find the variance of least square estimator beta hat for general linear regression model when k2 in matrix
a large shippping company recorded the numbers of tons shipped weekly across the pacific for 50 weeks arrange data in a less than cumulative
problemconstruct a consumer price index for the information given by using i aggregate expenditure method ii family budget
problem 1statistics plays a vital role in almost every facet of human life statistics explain the applications of statistics in business and
i was recently buying shoes when the salesperson commented on how large my feet were after telling him he had lousy sales techniques i decided to
a survey was done where a random sample of people 18 and over were asked if they preferred comedies dramas or neither the information gathered was
in a mathematics examination the average grade was 82 and the standard deviation was 5 all students with grade from 88 to 94 received grade of b if
a probability distribution is partially given in the following table with the additional information that the even values of x are equally likely
for a normal distribution why do we calculate the probability of a range of numbers instead of the probability of a single
what is the properties of a simple random sample when 50 females are numbered 1 through 50 and males are numbered 51 through
what is the relationship between regression coefficient byx bxy and correlation coefficient
an experiment succeeds twice as often as it fails find the chance that in the next six trials there will be at least four
continuous probability distributions procurement and working capital analysis ndash normally distributed random variables and their
at the end of their first year of teaching 11 teachers were jointly ranked by two school administrators to reflect their relative degree of teaching
question 1 a courier company conducted a brainstorming session amongst drivers to ascertain the reasons why it was unable to deliver
miller 2008 examined the energy drink consumption of college undergraduates and found that males use energy drinks significantly more often than