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** You may ask five questions (of reasonable length) per monthly subscription period via live chat while logged in. A solution to the question will be provided by one of the expert tutors listed on our tutors page within 24 hours. Longer questions comprising multiple parts are not covered by our plans, however you may arrange additional help with the tutor directly. Questions of reasonable length are those requiring at most 10 minutes, for example:

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High School Level: Dexter runs a game at a fair. To play the game, you must roll a fair six sided die and pick a card from a standard deck of 52 cards. To win the game you must roll an odd number and pick a picture card. The game can be represented by a tree diagram. Dexter charges players $1 to play and gives $3 to any winners. If 260 people play the game, how much profit would Dexter expect to make?

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First Year University Level: Find the general solution of the differential equation dy/dx+y=5x.

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Second Year University Level: Find the volume under the surface z=1+xy enclose by the unit square [0,1]x[0,1].

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Third Year University Level: Let W(t) be a standard Brownian motion. Find P(W(1)+W(2)>2).

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Masters Level: Suppose you observe X=2 defective pencils out of a total of n=10 pencils. Calculate the posterior distribution for the parameter of interest assuming the parameter of interest has a Beta(5,15) prior.

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To maintain our high standard of service, you may only ask questions relating to the subjects our tutors specialize in. This includes Accounting, Economics, Finance, Engineering, Physics, Computer Science, Programming, Mathematics, Statistics (in all fields including Psychology, Biology, Nursing and Medicine) and Data Analysis. Instead of asking a question you may instead elect to use 1 of your 5 credits to engage in a 10 minute live chat session for advice on how to approach a question or for partial solutions.