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The amount of milk sold each day by a grocery store varies accordng to the Normal distrubution with mean 130 gallons and standard deviation 12 gallons. On a randomly selected day, the probability that the store sells at least 154 gallons is?
Given the large difference between the two measures of central tendency, which of the two would you rely on in describing the average claim cost and why?
What is the probability that the number of granite selected for analysis is within 1 standard deviation of it means value.
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.
A certain map is drawn so that a distance of 0.5 inch on the map represents 12.5 miles of actual distance. If the distance between two towns is 4.5 inches on the map, what is the actual distance, in miles, between the two towns?
Compute standard normal z-score corresponding to value of x = 23. e. Determine P(x 23). G. Determine P(16
A teacher claims that the variance on a calculus test is 68. A sample of 28 students had a standard deviation of 5.8. Test the teacher's claim at the 0.05 level of significance.
From the following information for Alfred Industries compute the overhead spending variance and the volume variance:
Microfracture knee surgery has a 75% chance of success on patients with degenerative knees. The surgery is performed on 5 patients. Find the probability of the surgery being successful on less than 3.
To estimate the true proportion of students who abstain from alcohol at LBCC, you will need to take a simple random sample.
What does the coefficient of determination tell you about the variation in attendance and the variation in the number of exhibitors?
A product sold by Home Depot, Inc., with an annual demand of 1000 units has Co = $25.50 and Ch = $8. The demand exhibits some variability such that the lead-time demand follows a normal probability distribution
Find the sample space for the number of outcomes (you don't need to list the possible outcomes, just how many possible outcomes there are).
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