The following table contains the probability distribution fo

The following table contains the probability distribution for X=the number of retransactions necessary to successfully transmit a 1024K data package through a double satellite media

The probability of atleast one retransaction is

a)0.19

b)0.35

c)0.65

d)0.75

The mean or expected value for the number of retransmissions is

a)2

b)1

c)3

d)1.5

The standard deviation for the number of retransmissions is:

a)0.89

b)1

c)0.8

d)0.64

Solution

1) A

2) A

3) D