Find the probability.
-One digit from the number 7,939,449 is written on each of seven cards. What is the probability of Drawing a card that shows 7 or 4?
A) $\frac { 9 } { 7 }$
B) $\frac { 3 } { 7 }$
C) 1
D) $\frac { 2 } { 7 }$

Question

Find the probability.
-One digit from the number 7,939,449 is written on each of seven cards. What is the probability of Drawing a card that shows 7 or 4? 
A) $\frac { 9 } { 7 }$
B) $\frac { 3 } { 7 }$
C) 1
D) $\frac { 2 } { 7 }$

Quizplus · Accepted Answer

The number 7,939,449 contains three instances of either 7 or 4 (one 7 and two 4s) out of seven digits total. Therefore, the probability of drawing a card that shows a 7 or 4 is $\frac{3}{7}$.

Find the Probability 97\frac { 9 } { 7 }79​ B) 37\frac { 3 } { 7 }73​

Find the Probability $\frac { 9 } { 7 }$ B) $\frac { 3 } { 7 }$