if-you-know-that-the-probability-of-a-picture-appearing-when-acoin-is-tossed-is-2-5-then-the-probability-of-getting-writings-when-this-coin-is-tossed-6-times-

Question Number 144801 by mohammad17 last updated on 29/Jun/21

i f y o u k n o w t h a t t h e p r o b a b i l i t y o f a p i c t u r e

a p p e a r i n g w h e n a c o i n i s t o s s e d i s 2 / 5

t h e n t h e p r o b a b i l i t y o f g e t t i n g w r i t i n g s

w h e n t h i s c o i n i s t o s s e d 6 t i m e s ?

Commented by mohammad17 last updated on 29/Jun/21

h e l p m e s i r ?

Commented by mohammad17 last updated on 29/Jun/21

? ? ? ? ? ? ? ? ?

Answered by gsk2684 last updated on 29/Jun/21

X \approx B (n, p)

p = {prob}^{'} of getting writings

on the coin = \frac{3}{5}

q = {prob}^{'} of getting picture

on the coin = \frac{2}{5}

then p (X ⩾ 1) = 1 - p (X = 0)

= 1 - 6_{C_{0}} q^{6} p^{0} = 1 - {(\frac{2}{5})}^{6}

Commented by mohammad17 last updated on 29/Jun/21

s i r i w a n t t h e r e s u l t

Commented by SLVR last updated on 29/Jun/21

v e r y \dots e a s y . . = 15561 / 15625

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