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Consider the ten values 3, 6, 8, 12, 23, 26, 37, 42, 49, 63. The mean is X¯ = 26.9.
(a) What is the value of the mean if the largest value, 63, is increased to 100?
(b) What is the mean if 63 is increased to 1,000?
(c) What is the mean if 63 is increased to 10,000?
If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?
suppose the time to prepare a bed at a hospital is modeled with a random variable with a mean of 20 mins and a variance
Design a photolithography and metallization sequence of steps to obtain a Au square and a Ti circle on the surface of a semicond uctor wafer. Draw the shape of the mask to be used.
What happens to the probability of getting exactly 50% heads?
Find the probability that for a randomly selected office hour, the number of student arrivals is 3. (b) What is the probability that he will get at most 5 students in a randomly selected office hour?
The owner of a local golf course wanted to determine the average age of the golfers that played on the course. In a random sample of 30 golfers that visited his course, the sample mean was 48.34 and the standard deviation was 9.327. Calculate a 90..
A recent study of cardiovascular risk factors reports that 30% of adults meet the criteria of hypertension. if 15 adults are assessed, what is the probabiliy that?
Assuming that the manager wants at most a 5% chance of this happening, at what level should she set the mean fill level? Comment on the ramifications of this step, assuming that the company fills tens of thousands of cans each week.
The demand function for both products 1 and 2 has a constant elasticity: Q1 = k1 p1-ε1 and Q2 = k2 p2-ε2 where εi is the absolute value of the elasticity of demand for product i and ki is a parameter that reflects the size of the market. Sup..
Evaluate your histograms for any outliers in your data. Based on your evaluation of outliers, you may trim no more than 1% of the data contained in the data set. This must be done symmetrically (i.e., trimming no more than 0.5% off the top and 0.5..
1. Perform a two-way analysis of variance of Rating by Vehicle Type and Manufacturer. Use economy cars from the United States as the baseline group.
Indicate the different ways an individual could forecast his or her weight 10 years from now. Do these methods change based upon whether the individual is 5, 14, 24, or 45 years old? If so why?
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