Use the information to complete problems 9 and 10. The table below lists the first name and date of birth for five students. The information is presented in letters (for the names) and digits (for the birth dates). The total characters for any given student is made up of both letters and digits in their data. The characters of the names are not case sensitive. For example, Trent's characters are t, r, e, n, t, 8, 1, 2, 9, and 7. Trent Ramiro Mara Pam Fina 8-12-97 6-15-98 10-9-98 2-12-98 7-15-97 9. If a student is chosen at random from the group, what is the probability that the choice will contain a repeated letter or a repeated digit?
Use the information to complete problems 9 and 10. The table below lists the first name and date of birth for five students. The information is presented in letters (for the names) and digits (for the birth dates). The total characters for any given student is made up of both letters and digits in their data. The characters of the names are not case sensitive. For example, Trent's characters are t, r, e, n, t, 8, 1, 2, 9, and 7. Trent Ramiro Mara Pam Fina 8-12-97 6-15-98 10-9-98 2-12-98 7-15-97 9. If a student is chosen at random from the group, what is the probability that the choice will contain a repeated letter or a repeated digit?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Use the information to complete problems 9 and 10.
The table below lists the first name and date of birth for five students. The information
is presented in letters (for the names) and digits (for the birth dates). The total
characters for any given student is made up of both letters and digits in their data. The
characters of the names are not case sensitive. For example, Trent's characters are t, r,
e, n, t, 8, 1, 2, 9, and 7.
Trent
Ramiro
Mara
Pam
Fina
8-12-97
6-15-98
10-9-98
2-12-98
7-15-97
9. If a student is chosen at random from the group, what is the probability that the choice will
contain a repeated letter or a repeated digit?
10. If a student is chosen at random from the group, what is the probability that the choice will
contain more than 10 characters and a digit sum greater than 20?
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