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Casino. A casino knows that people play the slot machines in hopes of hitting the jackpot, but that most of them lose their dollar. Suppose a certain machine pays out an average of $0.92, with a standard deviation of $120.
a) Why is the standard deviation so large?
b) If you play 5 times, what are the mean and standard deviation of the casino s profit?
c) If gamblers play this machine 1000 times in a day, what are the mean and standard deviation of the casino s profit?
d) Do you think the casino is likely to be profitable? Explain.
consider a stock paying continous dividens of 1. assume r0.06 sigma0.32 stock price of s033.a you sell 100 calls
What is the likelihood the sample mean is greater than $22.50 but less than $25.00?
Medical Red Blood Cell Volume. Total blood volume (in ml) per body weight (in kg) is important in medical research. For healthy adults, the red blood cell volume mean is about = 28ml/kg.
the following hypotheses are given.h0 p .40h1 p ne .40a sample of 120 observations revealed that .30. at the .05
The lifetime of a particular brand of laptop follows a normal distribution with mean and standard deviation equal to 2.4 and 0.5 years, respectively. Assume this brand of laptop is guaranteed for 2 years,
brief discussion telling why you chose this particular data set to study. As in discussion two, I am hoping that you will choose data that has some relevance to your life.
suppose that the diameters of bearings are independently normally distributed random variables with mean1.005 and
A confidence interval with a 95% confidence level for the proportion of voters who are in favor of the proposition in a referendum is (0.71, 0.77). How many persons were surveyed in this poll?
let x have an exponential distribution with mean sigma.a find the first quartile q1b how far is the first quartile
Utilize the given degree of confidence also sample data to construct a confidence interval for population proportion.
1 personal best finishing times for a particular race in high school track meets are normally distributed with mean
1. On R2 let d((x, y), (u, v)) := ((x - u)2 + (y - v)2)1/2 (usual metric), e(x, y) := |x - u|+ |y - v|. Show that e is a metric and metrizes the same topology as d.
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