Question

answer plz i need help

Answer 1

Answer:

Probability to have spelling mistakes=0.3

Step-by-step explanation:

Probability to not have spelling mistake=0.7

E=0.7

Probability to have spelling mistake=F

E+F=1

0.7+F=1

F=1-0.7

F=0.3

Probability to have spelling mistakes=0.3

HOPE THIS BRING A SMILE IN YOUR FACE