there-are-5-possible-answers-for-each-question-of-a-multiple-choice-exam-containing-10-questions-if-a-condidate-answered-it-randomly-find-the-probability-that-he-gets-i-no-question-right-ii-

Question Number 47837 by Aknabob1 last updated on 15/Nov/18

t h e r e a r e 5 p o s s i b l e a n s w e r s f o r e a c h q u e s t i o n o f a

m u l t i p l e c h o i c e e x a m c o n t a i n i n g 10 q u e s t i o n s .

i f a c o n d i d a t e a n s w e r e d i t r a n d o m l y .

f i n d t h e p r o b a b i l i t y t h a t h e g e t s (i) n o q u e s t i o n r i g h t

(i i) 3 q u e s t i o n s r i g h t (i i i) 5 q u e s t i o n s r i g h t

(i v) a t l e a s t o n e q u e s t i o n r i g h t