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san4es73 [151]
3 years ago
13

Let an integer be chosen at random from the integers 1 to 30 inclusive. Find the probability that the integer chosen is not even

ly divisible by 2.
Mathematics
2 answers:
WARRIOR [948]3 years ago
5 0

Answer:

probability that the integer not evenly divisible by 2 is  \frac{1}{2}.

Step-by-step explanation:

Given : An integer be chosen at random from the integers 1 to 30 inclusive.

To find  : Find the probability that the integer chosen is not evenly divisible by 2.

Solution : We have integers 1 to 30.

We need to find probability that the integer not evenly divisible by 2.

We know that odd numbers are not divisible by 2

Odd number 1 to 30 ( 1 , 3, 5, 7 ,9,11,13,15,17,19,21,23,25,27,29)

Total odd number 1 to 30 =  15 .

Probability =  \frac{favourble\ outcome}{total\ numver\ of\ outcome}.

Probability = \frac{15}{30}.

Probability = \frac{1}{2}.

Therefore,  probability that the integer not evenly divisible by 2 is  \frac{1}{2}.

Nataly [62]3 years ago
3 0
Exactly half of these integers are odd (1, 3, 5, ..., 29) so the probability of selecting an odd number is \dfrac12.
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