Login

What is the probability that the 13th day of a randomly chosen month is friday

$P r o b a b i l i t y o f c h o s e n a n y m o n t h o u t o f 12 m o n t h = \frac{1}{12} A n d, t h e r e a r e 7 p o s s i b l e w a y s i n w h i c h t h e m o n t h c a n s t a r t a n d i t w i l l b e a F r i d a y o n 13 t h d a y, i f t h e f i r s t d a y o f t h e m o n t h i s S u n d a y . S o, i t s p r o b a b i l i t y = \frac{1}{7} T h u s, r e q u i r e d p r o b a b i l i t y = \frac{1}{12} \times \frac{1}{7} = \frac{1}{84} H e n c e, t h e p r o b a b i l i t y t h a t t h e 13 t h d a y o f a r a n d o m l y c h o s e n m o n t h i s F r i d a y = \frac{1}{84}$

16

View Full Answer

Copyright © 2024 Aakash EduTech Pvt. Ltd. All rights reserved.

Aakash EduTech Pvt. Ltd.

What are you looking for?