Nancy's Cupcakes recorded how many cupcakes it recently sold of each flavor.​ ​Brainliest to first person to answer

​chocolate cupcakes2
​pistachio cupcakes​ 1
​banana cupcakes​ 5
​pumpkin cupcakes​ 6

​​Considering this data, how many of the next 21 cupcakes sold would you expect to be pumpkin cupcakes?​
A
9
B
7
C
6
D
3
Part B
What is probability of a chocolate cupcakes being sold?
​ Probability (chocolate cupcakes) =
%
Note: Write your answer as a percentage rounded to the nearest whole number.​