A computer dealer finds that the number of laptop computers her dealership sells each day is a

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A computer dealer finds that the number of laptop computers her dealership sells each day is a random variable Z where the probability distribution for Z is given by
A computer dealer finds that the number of laptop computers

where c is a constant. Determine
(a) the value of c;
(b) Pr(X > 3).
(c) Pr(X = 4|X > 3).
(d) E{X).
(e) Var(Z).

Dealer
A dealer in the securities market is an individual or firm who stands ready and willing to buy a security for its own account (at its bid price) or sell from its own account (at its ask price). A dealer seeks to profit from the spread between the...
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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