any body knows the answer...with explanation plz
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Answer:
A two-digit number is written down at random.Find the probability that the number will be
A)Smaller than 20
B)Even
C)Multiple of 5
0 0 742
asked by Rukhsar
Jan 4, 2017
number of two-digit numbers:
10, 11, ... , 99, ----> 90 of them (1 - 9 are missing)
smaller than 20:
10,11, ... , 19 ----> 10 of them
prob( < 20) = 10/90 = 1/9
use the same type of analysis for the two other parts, let me know what you get.
2 0
posted by Reiny
Jan 4, 2017
10/90
=1/9
Answered by
0
Answer:
1/6
Step-by-step explanation:
total number of outcome is 90
the favourable number of outcome is 15 that is less than 40 and even
p=e/n
p=15/90
p=1/6
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