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An Olympic archer is able to hit the bull's-eye 84% of the time. Assume each shot is independent of the others. If she shoots 6 arrows:
a.) What is the probability that her first bull's-eye come on the fifth arrow?
b.) What is the probability that she gets exactly 4 bull's-eyes?
c.) How many bull's-eyes do you expect her to get out of the 6 arrows and what is the standard deviation?
d.) Now suppose the archer shoots arrows until she hits her first bull's-eye. How many arrows do you expect her to shoot?
An experiment was performed to investigate lifetime of a component exposed to high heat. Three different oven types were used at either 550°F or 600°F.
Find the product of the vector of state probabilities for the preceding period and the matrix of transition probabilities.
the finished subassembly 2 must be inspected. A list of activities, their predecessors, and their durations. Draw a project diagram (network) for this project? What is the total project time?
Assuming that the population standard deviations are the same, perform a two independent samples t-test on the hypotheses Null Hypothesis: μ1 = μ2, Alternative Hypothesis: μ1 ≠ μ2. What is the test statistic and p-value of this test?
A bag of jelly belly candies contains the following colored jelly beans: red (10), blue (2), orange (5), brown (21), green (0), and yellow (18). Construct the probability distribution for x.
Such things as historical documents, newspaper reports, TV and radio broadcasts, when used in research, represents
A bus arrives at a bus stop at a uniformly distributed time over the interval 0 to 1 hour. A passenger also arrives at the bus stop at a uniformly distributed time over the interval 0 to 1 hour.
The amount of corn chips dispensed into a 10 ounce bag by the dispensing machine has been identified at possessing a normal distribution with a mean of 10.5 ounces and a standard deviation of .2 ounces.
This is called a one-time fling. About 10% of all adults deliberately do a opne-time fling and feel no guilt about it!
Compute the sample variance and sample standard deviation as a measure of volatility of monthly total return for Chevron (to 2 decimals): Sample variance and Sample standard deviation.
Compare the standard deviation for the heights of males and the standard deviation for the heights of females in the class.
Tthen calculate the 95% and 99% CIs for the proportion of all female Hispanic drivers in Boston who wear seatbelts. Why is the 99% CI wider than the 95% CI?
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