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in a sample of 100 tubes inspected 12 were found to be defected find a 95 confidence interval for th true proportion of
a random sample of 16 observations is drawn from a population having a normal distribution if the sample mean is 238
suppose x is a normal random variable with mean 10 and standard deviation 2a find p7ltxlt13b find the value of c if p
suppose that the demand for a companys product in weeks 1 2 and 3 are each normally distributed and the mean demand
a certain brand of automobile tire has a mean life span ofnbsp36000nbspmiles and a standard deviation
political polls typically sample randomly from the us population to investigate the percentage of voters who favor some
1 the number of credits being taken by a sample of 12nbspfull-time college students are listed below find thenbspmean
question 1 assume the population has a normal distribution and the number of observations in a random sample is greater
describe the relationship between the terms independent dependent continuous and discrete
the reasonable uniform management policies group wishes to estimate the number of time the average politician tweets
data is supplied to you you need to determine the central tendency of the data which measure is the best choice to
this question is pertains to nash equilibriaa local law firm has hired gampb consulting to help determine a business
a new process for producing synthetic diamonds can be operated at a profitable level only if the average weight of the
the coefficient of variation cvnbspdescribes the standard deviation as a percent of the mean because it has nonbspunits
what is the rate of return for a stock fund that produced the following regression results based upon a natural
classify the variables in the paragraph below as numerical and continuous numerical and discrete categorical ordinal
question 1 use the given data to find the sample size required to estimate the population proportion margin of error
an e-commerce research company claims that 60 or more graduate students have bought merchandise online a consumer group
consider random samples of size 86 drawn from population a with proportion 042 and random samples of size 60 drawn from
define epidemiology risk ratio and odds ratio and describe the three basic types of epidemiological studies provide
if random samples of the given sizes are drawn from populations with the given proportions find the mean of the
1 the symbol that represents the equation of the sample regressions line is2 the slope of the true regression line is
briefly explain the difference between correlation and causation in terms of a relationship between x and
what is the difference between a chi-square goodness-of-fit test and homogeneity
injured americans the national center for health statistics complies data on injuries and publishes the information in