A thief steals an ATM card and must randomly guess the correct four-digit pin code from a 7-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.)The probability that the correct code is given on the first try is(Type an integer or fraction. Simplify your answer.)

Given Information: A thief steals an ATM card. He must randomly guess the correct four-digit pin…

thief steals an ATM card and must randomly guess the correct four-digit pin code from a 7-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try? he number of possible codes is. Type an integer or fraction. Simplify your answer.) he probability that the correct code is given on the first try is Type an integer or fraction. Simplify your answer.)

thief steals an ATM card and must randomly guess the correct four-digit pin code from a 7-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try? he number of possible codes is. Type an integer or fraction. Simplify your answer.) he probability that the correct code is given on the first try is Type an integer or fraction. Simplify your answer.)

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter12: Probability

Section12.4: Discrete Random Variables; Applications To Decision Making

Problem 30E

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