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One must select from a set of 12 components that are known to contain 4 faulty components. The selection is made at random so that the selection of any component is equally likely.
a. What is the probability of drawing exactly 1 faulty component if 3 different components are drawn?
b. What is the probability of drawing any faulty component if 3 different components are drawn?
A business invests $10,000.00 in a savings account for 2 years, At the beginning of the second year, an additional $3500.00 is invested, At the end of the second year, the account balance is $15,569.75. What is the annual interest rate?
Using P-values for hypothesis testing they are intuitively easy and dont require critical values in charts. In real world terms, what is the best way to describe how P-values work and how to explain this to someone?
A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the standard error of the mean?
The probability that he passes both finals is .60. What is the probability that the student will pass at least one of these final examinations?
Many different kinds of data can be modeled or measured easily using exponential and logarithmic functions. For example, consider ideal gases:
The company recorded the type of the most recent visit to a doctor by each employee.State the decision rule. Use 0.01 significance level. Comute the value of teh Chi-Square.
Thirty-five percent of the Democrats and 70% of the Republicans favor the bill. The bill needs a simple majority to pass. Using a probability tree, determine the probability that the bill will pass.
Among its various routes, a transit agency operates a trolley line. The line has a total of 18 trolley cars. Some of these cars are unavailable because they are being maintained or repaired.
the finished subassembly 2 must be inspected. A list of activities, their predecessors, and their durations. Draw a project diagram (network) for this project? What is the total project time?
Recent crime reports indicate that 4.2 motor vehicle thefts occur each minute in the United States. Assume that the distribution of thefts per minute can be approximated by the Poisson probability distribution.
If the maximum error of estimate for the proportion of bartenders hearing job complaints is 4.4 percentage points, what is the degree of confidence used?
An assumption for a significance test of the correlation coefficient is that the populations, the variance of each variable is the same at each point of the other variable.
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