Answer:
9.847 %
Step-by-step explanation:
Be p1 the probability that the mammogram detect breast cancer in a woman.
p1=81%.
The probability 'P' that independent and consecutive 'n' singular events with p probability occur is:

In this case:
P: Probability that breast cancer be detected on 11 women with breast cancer.

%
The carpenter can cut six full sized pieces of board.
Well you have to go $33.95 x 7.25 and that will be your answer. Do it fast!