Kelsie works at a bicycle shop as a salesperson. She records the number of bicycles she sells on a daily basis. Here is the probability distribution of B = the number of bicycles Kelsie sells on a randomly selected
day, and T = the time she spends filling out daily sales reports.
0
1
2
3
B=# of bicycles sold
T = time (minutes)
Probability
10
20
30
40
0.30
0.50
0.15 0.05
Calculate the mean of B.
HB =
bicycles