25. If a number x is chosen at random from the number
-3, -2, -1,0, 1, 2, 3. What is probability that x^2≤4?
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Answered by
2
Answer:
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Step-by-step explanation:
Total possible outcomes = 5 {-2,-1,0,1,2}
Favourable outcomes = 3 {-1,0,1}(x^2<2)
If X is -2 , then x^2 = 4 which is greater than 2. (-2)^2>2= 4>2. So X can't be-2.
Similarly, X can't be 2.
But it can be -1,0 or 1.
So , P(E) = 3/5.
Answered by
1
Answer:
Total possible outcomes = 5 {-2,-1,0,1,2}
Favourable outcomes = 3 {-1,0,1}(x^2<2)
If X is -2 , then x^2 = 4 which is greater than 2. (-2)^2>2= 4>2. So X can't be-2.
Similarly, X can't be 2.
But it can be -1,0 or 1.
So , P(E) = 3/5.
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