Answer:
0.84
Step-by-step explanation:
From the given histogram we can state that
- [tex]P(x=1)=0.32;[/tex]
- [tex]P(x=2)=0.24;[/tex]
- [tex]P(x=3)=0.28;[/tex]
- [tex]P(x=4)=0.16.[/tex]
Note that the probability
[tex]P(1\le x\le 3)=P(x=1)+P(x=2)+P(x=3)=0.32+0.24+0.28=0.84.[/tex]
