Help me by let me know how to solve question no 1 - Maths - Probability

Question

Help me by let me know how to solve question no 1

Bhavana Majji · Accepted Answer

Dear student,
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5e7a219489ad5%20jpg">
Regards

Help me by let me know how to solve question no.1