Emma has a bag of marbles. There are 9 pink, 5 red, 8 green, 2 blue, and 6 white marbles in the bag. Calculate the complement of not picking a pink marble
To calculate the complement of not picking a pink marble, first find the total number of marbles in the bag:
Total marbles = 9 pink + 5 red + 8 green + 2 blue + 6 white
Total marbles = 30
Now, find the number of marbles that are not pink:
Not pink marbles = 5 red + 8 green + 2 blue + 6 white
Not pink marbles = 21
The complement of not picking a pink marble is the probability of picking a pink marble:
Complement = (Total marbles - Not pink marbles) / Total marbles
Complement = (30 - 21) / 30
Complement = 9 / 30
Complement = 3 / 10
So, the complement of not picking a pink marble is 3/10.