19. Family Junio have 5 children. What is the chance that there are three boys and two girls?
19. Family Junio have 5 children. What is the chance that there are three boys and two girls?
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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please answer 19 20 21
Transcribed Image Text:96% 3:04 PM
19. Family Junio have 5 children. What is
the chance that there are three boys
and two girls?
Enter your answer
20. Lueteng is a lotto game consists of 30
different balls numbered 1 to 30. If five
balls are drawn at random without
replacement, how many possible
winning combinations can be made?
Enter your answer
21. The seven-digit telephone number of
the municipality of Bagambang starts
with 350. If the last four digits cannot
begin or end with zero, how many
telephone numbers can be assigned?
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