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Mud Turtles observation by a Biologist - Confidence Interval A biologist has found the average weight of 12 randomly selected mud turtles to be 8.7 lb with standard deviation 3.6 lb. find a 90% confidence interval for the population mean weight of all such turtles.
A banks loan officer rates applicants for credit. The ratings are causally distributed with a mean of 200 also a standard deflation of 50.
Is the z value positive or negative? Explain why it should be positive or negative.
Assume that the class has 60 students and that the examination period is 90 minutes in length. How many students do you expect will be unable to complete the exam in the allotted time.
Find the probability that a women develops breast cancer given that she has a family history of breast cancer._____________
Describe the sampling distribution model of this mean.
Solve different inventory control problems using an appropriate OR method.
Determine the sample size needed in order to be 99% confident that the sample proportion of the current customer accounts is within .03 of the true proportion of all current accounts for this company.
The grade point averages for 10 randomly selected high school students are listed below. Assume the grade point averages are normally distributed.
Determine the probability that we would reject null hypothesis given that it is true?
Would it be reasonable to conclude that the population mean is 63 pounds?
What is the best prediction for the number of products sold based on advertising costs of $7000?
Compute the range and interquartile range
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