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bixtya [17]
3 years ago
14

intro urna sunt 24 de bile albe si 16 bile negre. se extrage la intamplare o bila . probabilitatea ca bila extrasa sa fie alba e

ste..
Mathematics
1 answer:
garri49 [273]3 years ago
4 0

Answer:

\frac{3}{5}

Step-by-step explanation:

Given parameters:

Number of white balls  = 24

Number of black balls  = 16

Unknown:

The probability that white ball is drawn at random = ?

Solution:

The probability of an event is the likelihood of such an event to occur. That an event will occur has a probability of 1, it will not occur have a probability of zero.

In this problem, the total number of outcomes of drawing any ball has sample space of (24 + 16)outcomes  = 40outcomes.

Probability of an event  = \frac{number of successful outcome}{sample space}

                  Pr(white balls) = \frac{24}{40}   = \frac{3}{5}

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