23. From 20 tickets marked with the first 20 numerals, one is drawn at random. What is the chance that it will be a multiple of 3 or 7? O 1/2 8/15 3/10 2/5
23. From 20 tickets marked with the first 20 numerals, one is drawn at random. What is the chance that it will be a multiple of 3 or 7? O 1/2 8/15 3/10 2/5
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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pls answer 23 and 24
Transcribed Image Text:G.l 96% 4 3:05 PM
MATH 115_Midterm Quiz No. 2 (Set Y.
23. From 20 tickets marked with the first
20 numerals, one is drawn at random.
What is the chance that it will be a
multiple of 3 or 7?
O 1/2
8/15
O 3/10
2/5
24. A survey of 100 persons revealed that
72 of them had eaten at Mang Inasal
and that 52 of them had eaten at
Gerry's Grill. Determine the number of
persons who had eaten at both Mang
Inasal and Gerry's Grill?
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