The probability of obtaining a defective 10-year old widget is 78%. For our purposes, the random variable will be the number of items that must be tested before finding the first defective 10-year old widget. Thus, this procedure yields a geometric distribution.

Use some form of technology like Excel or StatDisk to find the probability distribution.

(Report answers accurate to 4 decimal places.)

k	P(X = k)
1
2
3
4
5
6 or greater