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Student record revealed that 16 out of a random sample of 64 of student with loans. It supposed that current rate is persisting across all students. A sample of 100 students is selected from this cumpus.
1. Compute probability that number of students with loans will be less than 375.2. Compute probability that number of students with loans will be atleast 420.
The sample mean of the number of spots on the 6000 rolls, should be about If this die is rolled 6000 times, the number of times we get a 2 or a 3 should be about
Is there a difference in the extent of wound healing by treatment? (Hint: Are treatment and the percent wound healing independent?) Run the appropriate test at a 5% level of significance.
The national average SAT score (for Verbal and Math) is 1028. If we assume a normal distribution with σ = 92, what is the 90th percentile score? What is the probability that a randomly selected score exceeds 1200?
What are the differences between regression and correlation analysis? What is correlation? Does correlation prove causation? Why or why not? Explain and provide examples to support your explanation.
Find out the Optimum solution using the given data. Consider the following linear programming problem. Illustrate what is the optimum solution to this problem?
Develop a linear regression equation for these data and forecast how much money Robert will win if he spends $30.
The probability of recovery for a certain disease is 0.65 or 65%. If 50 people are stricken, what is the probability that
The level of glucose, x, in blood follows a normal distribution with mean = 13.8, and std dev = 2.6. What is the probability that in a healthy adult:
The personnel director of Cander Machine Products is investigating perfectionism on the job. A test designed to measure perfectionism was administered to a random sample of 18 employees.
Find the probability that a random selection of 9 songs will have mean length of 186.30 seconds or less. Assume distribution of the lengths of the songs is normal.
Suppose that 98% of the customers in your market have Internet access, and you select a random sample of 500 customers. What is the probability that the sample has:
At the 5% level of significance, can we infer that the population mean weight of athletic men is lower than the population mean weight of non-athletic men by more than 2 pounds?
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