Question

Help me pleaseeeeeeeeeeeeeeeee

Answer 1

0.84

Explanation:

From the given histogram we can state that

• 
  `P(x=1)=0.32;`
• 
  `P(x=2)=0.24;`
• 
  `P(x=3)=0.28;`
• 
  `P(x=4)=0.16.`

Note that the probability

`P(1\le x\le 3)=P(x=1)+P(x=2)+P(x=3)=0.32+0.24+0.28=0.84.`