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A company adminsters an "aptitude test for managers" to aid in selecting new management trainees. Prior experience suggests that 60 percent of all applicants for management trainee positions would be successful if they were hired. Furthermore, past experience with the aptitute test indicates that 85% of a applicants who turn out to be successful managers pass the test and 90% of appkicants who turn out not to be successful managers fail the test.
1. If an applicant passes the aptittude test for managers," what is the probability that the applicant will be succeed in a management position?
2. What is the probability an applicant does not pass the test and is a sucessful manager?
The 99% confidence interval estimating the proportion of all students at the university who prefer outdoor exercise is given by which of the following?
Which measure of association do you use to compare the relationship between these variables? Why?
Describe the types of probability -example of classical probability, empirical probability, or subjective probability.
The state highway department is studying traffic patterns on one of the busiest highways in the state. As part of the study, the department needs to estimate the average number of vehicles that pass an intersection each day. A random sample of 64 ..
In order that the sample proportion and the population proportion not differ by more than 0.05 with 95% level of confidence, what sample size should be used?
For any distribution the score that separates the highest 10% from the rest of scores is called.
Critically discuss understanding the normal distribution and the factors that affect its shape important in solving business and marketing-related questions?
What then is the probability that a shaft will be acceptable? Suppose that the diameter of the shaft is a random variable that is Normally distributed.
Given the same significance level, a ________ value of t will be required to reject the null hypothesis compared to the value of z required for rejection.
Formulate the hypotheses that can be used to determine whether union membership increased in 2006.
You know that all sociology majors study 2.5 hours per day with a standard deviation of 1.
Determine whether the description corresponds to an observational study or an experiment. Thirty university students are divided into two groups, one group receives free tutoring in mathematics, the other does not.
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