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let x be a continuous random variable with the probability distribution function fx and the cumulative distribution
suppose you are offered to play a game it cost 5 to play there is a jar with three marbles each a different colour red
with a capacity of 6300 people royal caribbeans oasis of the seas is the worlds largest cruise ship the average beer
a problem of interest to health administrators is to determine the effects of smoking cigs during pregnancy on infant
you are interested in understanding the relationship between the amount of money spent per capita gdp where gdp is
a doctor gives a patient a 60 chance of surviving bypass surgery after a heart attack if the patient survives the
39 of adults say cashews are their favorite kind of nut you randomly select 12 adults and ask each to name his or her
problem 1 you want to take a massive vacation in 15 years around the world you anticipate that the trip will cost 30000
the irs reported that 62 of individual tax returns were filed electronically in 2008 a random sample of 225 tax returns
you calculate the correlation for a set of scores for one group of subjects you then add in the scores for another
it is surprising but true that if 23 randomly selected people are in the same room there is about a 50 chance that at
the worldwide market share for a web browser wasnbsp202 in a recent month suppose that a sample ofnbsp120nbsprandom
design a basic study or use your research idea in which you could analyze your data using a t-test how would you
a doctor gives a patient a 80 chance of surviving after a heart attack if the patient survives the surgery then the
the probabilities of the events a and b are 20 and 30 respectivelynbspthe probability that both a and b occur is 15what
the events x and y are mutually exclusive suppose px 05 and py 02 show workawhat is the probability of either x or y
1 the diameters of bolts produced by a certain machine are normally distributed with a mean of 030 inches and a
1 a traffic study shows that 90 of motor vehicles that come to a stop for a stop signal at a certain intersection have
find the p-value for the indicated hypothesis testin a sample of 49 children selected randomly from one town it is
use the given information to find the p-value also use a 001 significance level and state the conclusion about the null
need and answer within the hour pleasea poll was taken this year asking college students if they considered themselves
part athe average starting salary of this years graduates of a large university lu is 25000 with a standard deviation
the average price of homes sold in the medium size city in canada in thenbsppast yearnbspwas 220000nbspa random sample
suppose that you have been hired as a summer intern at a large amusement park every day your task is to conduct 200
supplementary problema survey conducted for the northwestern national life insurance company revealed that 70 of