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1) For borrowers with good credit score, mean debt for revolving and instalment accounts is $15,015 (Business Week, March 20, 2006). Suppose standard deviation is $3540 and that debt amounts are generally distributed.
a) Compute the probability that debt for a randomly selected borrower with good credit is more than $18,000?
b) Compute the probability that debt for a randomly selected borrower with good credit is less than $10,000?
c) Determine the probability that debt for randomly selected borrower with good credit is between $12,000 and $18,000?
Draw two pie charts, which allow the total yearly exports to be compared. Explain the trend in the export of fish as shown in the two pie charts.
Prepare a power curve for this decision rule
A radio station wants to know if residents in their area are in favor of a proposed tax increase. They invite listeners to call in to respond to the poll. 645 of the 800 who responded were against the tax.
The summation sign is usually represented by:
You have two unbiased estimates, e 1 and e 2 , of a quantity with variances V 1 and V 2 respectively, and covariance Cov {e1,e 2 } = C. Form a new unbiased estimate:
Multiple comparison procedures are going to be done using the Bonferroni method with = 0.05. The value of t** is 2.4667. Which of the following is the appropriate conclusion from carrying out these multiple comparisons?
In which of the following situations is bootstrapping (and other resampling methods) often used and Which of the following is a valid description of the bootstrapping method.
Using the Census data, the OH Registry of Motor Vehicles reveal the subsequent about the Autos owned by the 10 families residing in Smallville.
A review of voter registration records in a small town yielded the following table of the number of males and females registered as Democrat, Republican, or some other affiliation.
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
The Wilcoxon signed rank test is computed for the data and gives a value W + = 161.5. Using the Normal approximation (without the continuity correction) the P-value.
Here is a scatterplot of average crawling age versus average outdoor temperature six months after birth followed by a plot of the residuals versus average outdoor temperature six months after birth.
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