A thief steals an ATM card and must randomly guess the correct three-digit pin code from a 9-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try? The number of possible codes is (Type an integer or fraction. Simplify your answer.)

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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A thief steals an ATM card and must randomly guess the correct three-digit pin code from a 9-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try?
2
The number of possible codes is.
(Type an integer or fraction. Simplify your answer.)
iew an example Get more help -
F2
W
²
S
X
H
mand
#
#
3
80
F3
E
D
C
69 +
$
4
Q
R
F
%
5
V
I
F5
T
G
^
6
MacBook Air
B
F6
Y
H
&
7
F7
U
N
8
J
DII
1
M
(
9
K
DD
O
<
O
L
F10
P
command
Clear all
-
:
;
1
{
+
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Check answer
11
I
?
1
dele
Transcribed Image Text:A thief steals an ATM card and must randomly guess the correct three-digit pin code from a 9-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try? 2 The number of possible codes is. (Type an integer or fraction. Simplify your answer.) iew an example Get more help - F2 W ² S X H mand # # 3 80 F3 E D C 69 + $ 4 Q R F % 5 V I F5 T G ^ 6 MacBook Air B F6 Y H & 7 F7 U N 8 J DII 1 M ( 9 K DD O < O L F10 P command Clear all - : ; 1 { + [ = option Check answer 11 I ? 1 dele
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