Supposex

xis a random variable best described by a uniform probability that ranges from1

1to4

4. Compute the following:

(a)

the probability density functionf(x)=

f(x)=

(b)

the mean=

=

(c)

the standard deviation=

=

(d)

P(x+)=

P(x+)=

(e)

P(x2.39)=

P(x2.39)=