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Christine has always been weak in mathematics. Based on her performance prior to the final exam in Calculus, there is a 43% chance that she will fail the course if she does not have a tutor. With a tutor, her probability of failing decreases to 13%. There is only a 53% chance that she will find a tutor at such short notice.
a. What is the probability that Christine fails the course? (Round your answer to 4 decimal places.) Probability
b. Christine ends up failing the course. What is the probability that she had found a tutor? (Round your answer to 4 decimal places.) Probability
(a) Find the median cost of houses at Coal City in 1988. (b) Find the modal selling price of houses at Coal City in 1988.
A corporate CEO reviews the earnings of three divisions over the last eighteen months. Each division reports its earnings quarterly.
Run this same command several times to see how variable the reported pvalues are. How many possible treatment arrangements are there for this experiment?
Determine the area under the standard normal curve that lies: (a) to the left of Z = -2.31 (b) to the right of Z = -1.47 (c) between Z = -2.31 and Z = -1.47 (d) between Z = 1.47 and Z = 2.31
Use the t-distribution table to find the critical value(s) for the indicated alternative hypothesis, level of significance ?, and sample sizes n? and n?.
Probability based on normal distribution. Suppose among X has a normal distribution, and find the indicated probability.
Calculate the measures of central tendency, dispersion, skew for your data. Display your descriptive statistical data using graphic and tabular techniques. Frequency distribution, Histogram.
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution.
Analysis of data sets assignment
Standard deviation of 12%. Assume that scores in both classes follow a normal distribution. Convert Maria's midterm score of 84 to a standard z score.
Determine the values of the slack and surplus variables and interpret them. Which constraints are binding constraints? Describe.
The purchase price is $25 per tire if fewer than 200 tires are ordered, $16 per tire if 200 or more, but fewer than 8,000, tires are ordered, and $25 per tire if 8,000 or more tires are ordered.
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