aliiatellez123 aliiatellez123
  • 25-04-2018
  • Mathematics
contestada

PLEASE HELP!! (only need answers to B and C)

PLEASE HELP only need answers to B and C class=

Respuesta :

IsrarAwan
IsrarAwan IsrarAwan
  • 25-04-2018
Answers:
(b) 4/9 (0.44)
(c) The events are not independent.

Explanations:
(b) The probability of hamburgers given diet soda is:
P(hamburgers | diet soda) = 40/90 = 4/9 (0.44)

(c) 
P(hamburgers) = 130/250 = 13/25
Whereas
P(diet soda) = 4/9
[tex] \frac{4}{9} \neq \frac{13}{25} [/tex]

Since both probabilities are not equal, hence the events are not independent.

ALWAYS REMEMBER: Events are independent if their probabilities are equal.
-i
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