Respuesta :
Answer:
21 times
Step-by-step explanation:
Given
[tex]P(3) = 50 \%[/tex]
[tex]n =42[/tex]
Required
The least number of times to land on 3
This is calculated using:
[tex]Least = n * P(3)[/tex]
[tex]Least = 42 * 50\%[/tex]
[tex]Least = 21[/tex]