If one card is selected at random.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Consider a box contains cards with your ID number and 5 another student’s ID (i.e. each card will contain
either a number or a letter). Answer the following:
a. If one card is selected at random.
i. Find the probability that the selected card contains a letter. 

ii. Find sample space

Remark: please select ID of 5 students and list their name with their ID as evidence

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