I need help with probability without replacement.

Macbeth and lady macbeth are partners in the nurder of duncan and both become

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal

Renaldo and nasreen build an electromagnet by wrapping a wire around a nail and connecting the wire to both terminals of a battery. when they test the electromagnet, it can pick up 6 paper clips. their teacher wants all groups to pick up at least 10 paper clips. what could renaldo and nasreen do to increase the number of paper clips their electromagnet picks up?