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Sampling Distributions The following data represent the ages of the winners of the Academy Award for Best Actor for the years 2004-2009.
2004: Jamie Foxx
37
2005: Philip Seymour Hoffman
38
2006: Forest Whitaker
45
2007: Daniel Day-Lewis
50
2008: Sean Penn
48
2009: Jeff Bridges
60
(a) Compute the population mean, m.
(b) List all possible samples with size n = 2. There should be 6C2 = 15 samples.
(c) Construct a sampling distribution for the mean by listing the sample means and their corresponding probabilities.
(d) Compute the mean of the sampling distribution.
(e) Compute the probability that the sample mean is within 3 years of the population mean age.
(f) Repeat parts (b)-(e) using samples of size n = 3. Comment on the effect of increasing the sample size.
the peachtree airport in atlanta serves light aircraft. it has a single runway and one air traffic controller to land
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A tangential-release yo-yo despin device is also included in the satellite. If the two yo-yo masses are each 7 kg, what cord length is required to completely despin the satellite? Is it wrapped in the proper direction in the figure?
(a) (1 pt) a left-hand sum with n = 4. Is this estimate an overestimate or underestimate? (b) (1 pt) a right-hand sum with 71 = 4. Is this estimate an overestimate or underestimate? (c) (1 pt) a midpoint sum with n = 4. Is this estimate an overestima..
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