A junk drawer contains an assortment of pushpins. There are 15 blue pushpins and 15 yellow pushpins. If two pushpins of the same
color are pulled from the drawer, what is the probability that the
third pushpin selected is the same color? Round your probability to
4 decimal places.
Please help

I'm terrible at math any here is appreciated.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?