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Assume the following discrete distribution
a) If this is a correct distribution, then what is the Pr(x=0.6)?
b) Find the cumulative distribution of x
c) What is the expected value of x?
d) What is the variance of x?
e) If y = sqrtx, then what is the expected value of y?
The second segment goes from (1,1) to the point (x, 1). Sketch the distribution function, and determine what x has to be in order to be a legitimate density curve.
What is the probability that an individuals clotting time will be more than 3 seconds and less than 11? Assume a normal distribution
A standard deviation of about $9000. Approximately what percentage of household incomes in this state is between $27,000 to $63,000/year? Show all work as to how this is obtained.
a manufacturer of plumbing fixtures has developed a new type of washerless faucet. let p p a randomly selected faucet
Critically discuss understanding the normal distribution and the factors that affect its shape important in solving business and marketing-related questions?
assume you are requested to survey middle-aged men in a particular neighborhood on their weights. you gather data from
After popping, the un-popped kernels were counted. There were 89. Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.
Construct the 95% confidence interval for the proportion of students with at least one injury.
the father of a junior high school student wants to determine the most popular book among junior high students. select
suppose we draw 13 cards out of a deck of 52. what is the expected value of the number of aces we
in a nationwide survey suppose 100 boys and 50 girls are sampled. what is the probability that the male sample will
the staff of porter manufacturing has estimated the following net after-tax cash flows and probabilities for a new
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