About 1/5 of all adults in the united states have type o+ blood. if three randomly selected adults donate blood, find the probability of each of the following events . (round your answer to four decimal points)
a) all three are type o+
b) none of them are type o+
c) two out of three are type o+

circumference divided by 3.141592654 then timesthe radius twice

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

sorry i just need to anwers this to get points

step-by-step explanation:

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076