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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा १०

The probability of getting a job for a person is x3. If the probability of not getting the job is 23 then the value of x is - Mathematics

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प्रश्न

The probability of getting a job for a person is `x/3`. If the probability of not getting the job is `2/3` then the value of x is

विकल्प

  • 2

  • 1

  • 3

  • 1.5

MCQ

उत्तर

1

Explanation;

Hint:

Probability of getting a job = `x/3`

Probability of not getting a job = `1 - x/3`

`2/3 = 1 - x/3`

⇒ `x/3 = 1 - 2/3`

`x/3 = (3 - 2)/3`

⇒ `x/3 = 1/3`

⇒ x = 1

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अध्याय 8: Statistics and Probability - Exercise 8.5 [पृष्ठ ३३१]

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सामाचीर कलवी Mathematics [English] Class 10 SSLC TN Board
अध्याय 8 Statistics and Probability
Exercise 8.5 | Q 12 | पृष्ठ ३३१

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