There are 10 rolls of film in a box and 3 are defective. two rolls are selected without replacement. what is the probability of
1 answer:
You might be interested in
Answer:
the answer is B
Step-by-step explanation:
area of the minor arc is teter all over 360 times 2 pie r square.
that is
= but because the question said for length AB, youvhave to use only one radius.
You the use 40 to cancel 160 and 360 to get 4 all over 9 times 2 pie times 9.
You then cancel 9 with 9 to get 4 times 2 times pie
this is equal to
