Question

It is known that the probability of being able to log on to a computer from a remote terminal at any given time is 0.7. Let X denote the number of attempts that must be made to log on to the computer. Construct the probability distribution of X and answer the following questions. a. Find the first four terms of the density table b. Find the closed form expression for f(x) c. Find P[X=6] d. Find the closed form expression for F(x) e. Use F to find the probability that at most four attempts must be made to gain access to the computer.

          It is known that the probability of being able to log on to a
computer from a remote terminal at any given time is 0.7. Let X
denote the number of attempts that must be made to log on to the
computer. Construct the probability distribution of X and answer
the following questions.  a. Find the first four terms of the
density table b. Find the closed form expression for f(x) c. Find
P[X=6] d. Find the closed form expression for F(x) e. Use F to find
the probability that at most four attempts must be made to gain
access to the computer.

Added by Kristen S.

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