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The average on an exam is 75 and the standard deviation is 17. If the instructor assigned grades based on the Normal distribution what percentage of students will make A's and what percentage will make B;s in the exam. Assume standard cut-off for (A>=90) and B (80<=X<90).
Use the library, Internet, and other available resources to develop a 6–8 page research proposal that includes the following:Introduction to your topic "Police Discretion" and related issues (variables)
The Z score on the comparison distribution for the sample score, and (c) your conclusion. Assume that all populations are normally distributed.
A pharmaceutical company has developed a drug that is expected to reduce hunger. To test the drug, three samples of rats are selected with n=10 in each sample.
In traditional marketing research surveys, are purchase intent questions measured on a 5 point scale (e.g. definitely would buy, probably would be, etc), considered to be ordinal or interval data, and as such should we use parametric tests (t) or non..
If the daily stock price, x, of United Technology is normally distributed with mean 6.56 and standard deviation 2.4, calculate the probability that in a randomly selected ay the price will be between $3.25 and $7.36. Hint: Review normal distribution
Conduct the equivalent, nonparametric test of hypothese using the five-step process. Do the following teams average a salary of 70 million dollars a year or less?
Develop a model for determining how many people should be sent to contain the fire and for determining the best location for the firebreak.
Assuming that the first digit cannot be a zero, compute the number of possible outcomes when the digits can be repeated.
The probability that an individual is left-handed is 0.1. In a class of 30 students, what is the probability of finding at least five left-handers?
To find out the alternate hypotheses also critical value. A truck dealer claims where a new model will give trouble free service for at least 15,000 miles.
Please address the following question: Solve for x. Write your answer as a fraction in simplest form.
A box contains 10 chips. The chips are numbered 1 through 10. Otherwise, the chips are identical. From this box, we draw one chip at random, and record its value.
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