joneal77 joneal77

16-11-2020
Mathematics

contestada

3. A number between 30 and 50 is chosen at random. What's the probability that the
number contains at least one 4?

Respuesta :

jcherry99 jcherry99

16-11-2020

Answer:

0.5789

Step-by-step explanation:

The successful events would be 34 , 40 41 42 43 44 45 46 47 48 49

The total number of ways 19 when you count from 31 to 49

P(1 four) = 11/19 = 0.5789

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