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Jason wants to perform a two-tailed test for equality between two independent sample proportions. Each sample has at least 10 "successes" and 10 "failures." Jason's test statistic is -1.44. What is his p-value?
If probability of getting sample mean x less than unreported sample mean is 0.025, determine value of the unreported sample mean?
Compute the standard deviation, range and coefficient of variation from the data in the table for each bank - Draw a box and whisker plot for the annual dividen
The sample mean is 2.59 and the sample standard deviation is .66. Conduct the following test using 95% level of confidence.
The number of minutes that a train from Milan to Rome is late is an exponential random variable X with parameter A. Find P(X > E(X)).
One state lottery has 1000 prizes of $1, 200 prizes of $5, 50 prizes of $25, 15 prizes of $150, 4 prizes of $500, and 1 prize of $2500. What is the lottery expected profit per ticket?
Attend church, live longer? One of the better studies of the effect of regular attendance at religious services gathered data from a random sample of 3617.
For each data set, compute and save g(m hat). Then do the following: Plot the histogram of B values of g(m hat)and sqrt(n)*[g(m hat)- g(m )].
VOTING PATTERNS In a recent senatorial election, 50% of the voters in a certain district were registered as Democrats, 35% were registered as Republicans.
In a bumper test, three types of autos were deliberately crashed into a barrier at 5mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Are mean crash damages the sa..
What is the probability that exactly three come up heads, if we saw that one came up tails?
An article in Parenting magazine reported that 60% of Americans needed a vacation after visiting their families for the holidays. Suppose this is the true proportion of Americans who feel this way. A random sample of 100 Americans is taken.
Compute and compare the probabilities that the system fails when the probability that component C1 functions is improved to a value of 0.98 and when the probability that component C2 functions is improved to a value of 0.88. Which improvement incr..
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