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On one page of a telephone directory, th...

On one page of a telephone directory, there are 150 phone numbers. The frequency distribution of their unit digits is given below

One of the numbers is chosen at random from the page. What is the probability that the unit digit of the chosen number is
greater than 8 ?

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The correct Answer is:
`1/10`
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MTG IIT JEE FOUNDATION-PROBABILITY-EXERCISE (SUBJECTIVE PROBLEMS) (LONG ANSWER TYPE)
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  4. Three coins are tossed simultaneously 180 times and it is found that 3...

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  5. A die is thrown 300 times and the outcomes are noted as given below: ...

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  6. A die is thrown 300 times and the outcomes are noted as given below: ...

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  7. A die is thrown 300 times and the outcomes are noted as given below: ...

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  8. A die is thrown 300 times and the outcomes are noted as given below: ...

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  9. The table given below shows the marks obtained by 50 students of a cl...

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  10. The table given below shows the marks obtained by 50 students of a cl...

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  11. The table given below shows the marks obtained by 50 students of a cl...

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  12. On one page of a telephone directory, there are 150 phone numbers. The...

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  13. On one page of a telephone directory, there are 150 phone numbers. The...

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  14. Following are the ages (in years) of 300 patients, getting medical tre...

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  15. Following are the ages (in years) of 300 patients, getting medical tre...

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