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Approximately 8.33% of men are colorblind. You survey 8 men from the population of large city and count the number who are colorblind.
a) What is a "success" in this situation and what is probability of success on a single trial?
b) Explain in words what X is in terms of the story and what values it can take on.
c) What are the distribution and parameters of X?
d) What is the probability that exactly 2 will be colorblind?
e) What is the probability that at MOST 6 will be colorblind?
f) How many would you have to survey in order to be at least 95% sure that you find at least 1 who is colorblind?
g) What is the expected value and variance of X?
question 1 nbspin switzerland an insurance agency retail life insurance called savings life insurance sli. the skill to
question a research study performed at checkout lines at publix supermarket in south florida revealed that between 4pm
43 students, 22are sophomores, 28are chemistry majors, and 11are neither. What are the probability that the student is both a sophomore and a chemistry major?
To test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in which papers were handed in.
Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0.
However, due to the variability in the traffic situation every morning, the standard deviation of these commutes is 5 minutes. Jenn has to be at work by 8:30 A.M. every morning.
\Write down the general formula for the discrete uniform probability distribution function. Now write down the probability distribution function for the random drawing of tile numbers. Is this a discrete uniform distribution?
Find the indicated probability using the geometric or Poisson distribution. A newspaper finds that the mean number of typographical errors per page is nine. Find the probability that?
Construct a 99 percent confidence interval for the true mean diameter of a nickel. (c) Discuss any assumptions that are needed. (d) What sample size would ensure an error of ± 0.0005 inches with 99 percent confidence?
the mean duration of television commercials on a given network is 75 seconds with a standard deviation of 20 seconds.
A financial analyst is interested in estimating the average amount of a foreign loan by U.S. banks. Construct the Stratum weights for proportional allocation
How many bolts should be sampled in order to make us 95% confident that the sample mean bolt length is within .02 inches of the true mean bolt length?
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