Desmos Graphing Calculator
Math·Problem-Solving and Data Analysis·Probability and conditional probability
medium| Set | Wood finish | Painted | Total |
|---|---|---|---|
| A | 9 | 6 | 15 |
| B | 12 | 7 | 19 |
| Total | 21 | 13 | 34 |
Two sets of blocks include both wood-finish and painted blocks. The table summarizes the types of blocks in each set. If one of these blocks is selected at random, what is the probability of selecting a wood-finish block that is in set A?
1
9/34
2
0.2647
3
.2647
4
0.264
5
.264