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You are asked to match three songs with the performers who made those songs famous. if you guess, the probability distribution for the number of correct matches is:
Probability .333 .500 0 .167
number correct 0 1 2 3
what is the probability you get:
a) exactly one correct
b) at least one correct
c) exactly two correct
d) compute the mean, variance and standard deviation of this distribution
Compute the incidence proportion or the risk ratio that compares group 1 to group 0, and compute the Incidence proportion or the risk ratio which compares group 2 to group 0. Then post a summary of your findings.
Suppose you obtain a 100 bag random sample by taking 25 subgroups of 4 bags each, the mean weight of the 25 subgroups was 16.00 ounces with a total of the subgroup ranges of 87.5 oz.
Using the original data, estimate the population standard deviation with 90% probability.
A function sometimes associated with a continuous nonnegative random variable is the failure rate (or hazard rate) function which is defined as:
Comprise appropriate (BPS formatted) descriptive statistics table inferential statistics table.
In a simple regression analysis, you notice that the R2 value is low (less than 0.4); however, the standard error is low. What does this tell you about the analysis?
Prepare a 10-13-question survey to gather primary data regarding your selected problem statement. Please note that you will not administer this survey as part of this assignment.
Draw the complete decision tree and determine whether the product should be launched or not.
The sales of Lexus automobiles in the Detroit area follow a Poisson distribution with a mean of 3 per day. What is the probability that for five consecutive days at least one Lexus is sold?
At a significance level of .05, the management wants to perform a hypothesis test to determine whether the quality of items produced appears to be independent of the production process used. Calculate the expected number of defective units produce..
Assume a random sample of 50 architects and engineers is selected. How likely is it that the random sample contain five or fewer women in these positions.
At one excavation site 8641 pot shards have been found that not yet been cleaned and identified. What is the probability that:
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