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Question: Suppose that a lottery ticket has probability p of being a winning ticket, independently of other tickets. A gambler buys 3 tickets, hoping this will triple the chance of having at least one winning ticket.
(a) What is the distribution of how many of the 3 tickets are winning tickets?
(b) Show that the probability that at least 1 of the 3 tickets is winning is 3p - 3p2 + p3, in two different ways: by using inclusion-exclusion, and by taking the complement of the desired event and then using the PMF of a certain named distribution.
Assume that probanility that dimond will be stolen is .005, and let x denote insurance company's profit. Compute insurance company's expected profit.
Make a two-way table of treatment versus outcome (subject improved or not). Is there a significant relationship between treatment and outcome?
J.H Sisson describes the Chaparral zones as "God's country." what does this means to your personal opinion in the context of this excerpt?
If the payoff of rolling two dice is the sum of the upper face of the two dice, what is the expected payoff of one roll of the two dice
Madlem, Inc., produces and sells a single product whose selling price is $240.00 per unit and whose variable expense is $86.40 per unit. The company's fixed expense is $720,384 per month.
This experiment was done in the hope of showing that Scared Straight would cause a lower arrest rate. Did the study show that? Explain.
What is the probability that a component picked at random from the production line will have a lifetime - Sketch the normal and the standard normal distribution for this problem and shade the area corresponding to part d.
Allen Abbott has a wide-curving, uphill driveway leading to his garage. When ther is a heavy snow, Allen hires a local carpenter, who shovels snow on the side in teh winter, to shovel his driveway.
the piron software company currently develops marketing software for primarily service-based organizations. they
In the past, the value of houses a local realtor has sold is normally distributed with a mean of $252,000 with a standard deviation of $55,000. How much does a house have to sell for so that the house is in the top 2% of highest selling houses for..
Construct a scatter plot from a given set of data and write a regression equation to predict a value not given in the data set.
an article suggests that a poisson process can be used to represent the occurrence of structural loads over time.
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