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प्रश्न
Following experiment have equally likely outcomes? Explain.
A baby is born. It is a boy or a girl.
उत्तर
The outcomes are equally likely, as the probability of 'newly born baby being either boy or girl's is `1/2.`
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Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. |
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Then,
Number of times event E occurs = `square`
So, P (selected student is born in June)
P(E) = `"Number of students born in June"/square`
= `square/square`
= `square`
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