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An instant lottery ticket costs $2 Out of a total of 10,000 tickets printed for this lottery, 500 tickets contain a prize of $5 each, 75 tickets have a prize of $10 each, 6 tickets have a prize of $1000 each, and 1 ticket has a prize of $5000 Let x be the random variable that denotes the net amount a player wins by playing this lottery.
Write the probability distribution of x.
Enter the exact answers. Enter your answers for x in increasing order.
x p (x)
Determine the mean and standard deviation of x Round your answers to two decimal places.
On average, the players who play this game are expected ; gain, lose gain lose $ Enter you answer; Mean per ticket with a standard deviation of $
Enter you answer; Standard deviation
a. Find the P-value to test the claim that the average time until first leakage for the huntingboot is at least 12 hours. b. Does this sample support A.C. Bone's claim at α = .05?
Force the regression line to go through the point (5, 13). What is the new regression line? What is the new regression equation? Predict Y when X = 10.
Attitudes. In the study of older students' attitudes, the sample mean SSHA score was 125.7 and the sample standard deviation was 29.8.
One of the most common forms of colorblindness is a sex-linked hereditary condition caused by a defect on the X chromosome (one of the two chromosomes that determine gender).
If the ratio of the incidence of the genes is f:F = 1:40 then what proportion of the population is expected to be (i) affected by the disease, and
consider the normal curve in the figure to the right which gives relative frequencies in a distribution of mens
Use StatCrunch ( Stat > Proportion Stats > Two Sample > With Summary) to find a 95% confidence interval for the difference (treatment minus control)
At the 0.05 level of significance, can we conclude that Tom's filtering system is effective in reducing the weekly number of spam messages an employee receives?
A binary mobile consists of two branches, a left branch and a right branch. Each branch is a rod of a certain length, from which hangs either a weight or another binary mobile. We can represent a binary mobile using compound data by constructing i..
Let C be a circle enclosing the distinct points z1,z2,...zn. Let p(z)=(z-z1)(z-z2)...(z-zn) be the polynomial of degree n with roots at these points.
Post a behavioral research situation that could use a Pearson coefficient research study and a chi square research study to the Discussion Area.
(a) Describe the shape of the sampling distribution. How was this determined? (b) Calculate the mean of the sampling distribution of the sample mean.
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