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1. Explain how databases help ensure that organizations can maintain data integrity?
2. Explain the importance of internal tools that are available within a DBMS. Please provide an example of one of these tools?
3. What is the relevance of data mining in organizations?
In calculating the UCR rape rates in New York City, which of the following would appear to be the best data for the denominator?
According to the Internal Revenue Service, the mean tax refund for the year 2007 was $ 2,708. Assume the standard deviation is $ 650 and tha the amounts refunded follow a normal probability distribution.
in a certain city 30 of the families have a mastercard 20 have an american express card and 25 have a visa card.
in the following probability distribution in table form the discrete random variable x represents the number of
the distribution of heights of adult men in the u.s. is approximately normal with mean 69 inches and standard deviation
Programmers have monthly incomes of less than $2,834, what is the value of the standard deviation of the monthly earnings of the computer programmers?
The number of students that enroll in a psychology course is a poisson random variable with mean 100.the course incharge has decided that if the enrolling is 120 or more he will teach the course in two separate sections.
a long-distance cyclists back tire sometimes pops during long rides. because the cyclist knows that her tire has a
question 1 scores are obtained from the law school admission test lsat are normally distributed with a mean score of
Define each of the following as classical, empirical, or subjective probability. a. The probability that the baseball player Derek Jeter will get a hit during his next at bat.
Suppose that distribution of grades has average of 78 with standard deviation of 11. Find the appropriate cutoff points for the grades A and F.
Explain distribution of sample means (shape , Expected value , and standard error ) for samples of n=36 selected from population with a mean of m =100 and standard deviation of s=12.
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