Home
Class 9
MATHS
On a particular day , at a crossing in a...

On a particular day , at a crossing in a city , the various types of 240 vehicles going past during a time interval were observed as under :

Out of these vehicles , one is chosen at random . What is the probability that the chosen vehicle is a two-wheeler ?

A

0.30

B

0.34

C

0.35

D

0.25

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    RS AGGARWAL|Exercise Multiple Choice Questions (Mcq)|16 Videos
  • PROBABILITY

    RS AGGARWAL|Exercise Multiple Choice Questions (Mcq)|16 Videos
  • PRESENTATION OF DATA IN TABULAR FORM

    RS AGGARWAL|Exercise Multiple Choice Questions (Mcq)|9 Videos
  • QUADRILATERALS

    RS AGGARWAL|Exercise Matching of Columns:|2 Videos

Similar Questions

Explore conceptually related problems

On a particular day, at a crossing in a city, the various types of 280 vehicles going past during a time interval were observed as under: |{:("Type of vehicle","Two wheelers","Three wheelers","Four wheelers"),("Frequency"," 91"," 63"," 126"):}| Out of these vechicles , one is chosen at random, what is the probability that the chosen vechicle is (i) a four wheeler (ii) a two wheeler (iii) a three wheeler?

On a particular day, the number of vehicles passing through a crossing is given below: A particular vehi cle is chosen at random. What is the probability that it is not a four-wheeler?

The table given below shows the marks out by 30 students in a test . Out of these students , one is chosen at random . What is the probability that the marks of the chosen student ? (i) are 30 or less (ii) are 31 or more ? (iii) lie in the interval 21-30 ?

According to a meteorological report for 300 consecutive days in a year , its weather forecasts were correct 180 times . Out of these days , one day is chosen at random . What is the probability that the weather forecast was (i) correct on that day ? (ii) not correct on that day ?

Over the past 200 working days , the number of defective parts produced by a machine is given in the following table : From these days , one day is chosen at random . What is the probability that on that day , the output has (i) no defective part ? (ii) at least 1 defective part ? (iii) not more than 5 defective parts ? (iv) more than 5 , but less than 8 defective parts ? (v) more than 13 defective parts ?

On one page of a telephone directory , there were 200 telephone numbers . The frequency distribution of their unit's digits is given in the following table : Out of the numbers on the page , a number is chosen at random . What is the probability that the unit's digit of the chosen number is (i) 6 ? " " (ii) a non zero multiple of 3 ? (iii) a nonzero even number ? " " (iv) an odd number ?

Activity : Note the frequency of two - wheelers , three - wheelers and four - wheelers going past during a time interval , in front of your school gate. Find the probability that any one vehicle out of the total vehicles you have observed is a two - wheeler.

There are three coins one is a two-headed coin having head on both faces , another is a biased , coin that coines up tails 25% of the times and third is an unbiased coin. One of the three coins is chosen at random and tossed, it shows head what is the probability that it was a two-headed coin ?

There are three coins.One is a two headed coin (having head on both faces),another is a biased coin that comes up heads 75% of the time and third is an unbiased coin.One of the three coins is chosen at random and tossed,it shows heads,what is the probability that it was the two headed coin?

There are three coins. One is two headed coin (having head on both faces),another is biased coin that comes up heads 75% of the times and third is also a biased coin that comes up tail 40% of the times. One of the three coins is chosen at random and tossed, and it shows heads. What is the probability that it was the two headed coin?

RS AGGARWAL-PROBABILITY-Exercise 19
  1. A coin is tossed 500 times and we get heads : 285 times and tails : ...

    Text Solution

    |

  2. Two coins are tossed 400 times and we get two heads : 112 times, one...

    Text Solution

    |

  3. Three coins are tossed 200 times and we get three heads, 39 times , ...

    Text Solution

    |

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

    Text Solution

    |

  5. In a survey of 200 ladies , it was found that 142 like coffee , while...

    Text Solution

    |

  6. The percentages of marks obtained by a student in six unit tests are g...

    Text Solution

    |

  7. On a particular day , at a crossing in a city , the various types of 2...

    Text Solution

    |

  8. On one page of a telephone directory , there were 200 phone numbers . ...

    Text Solution

    |

  9. The following table shows the blood groups of 40 students of a class. ...

    Text Solution

    |

  10. 12 packets of salt , each marked 2 kg , actually contained the followi...

    Text Solution

    |

  11. In a cricket match , a batsman hits a boundary 6 times out of 30 balls...

    Text Solution

    |

  12. An organisation selected 2400 families at random and surveyed them to ...

    Text Solution

    |

  13. The table given below shows the marks out by 30 students in a test . ...

    Text Solution

    |

  14. The table given below shows the ages of 75 teachers in a school . ...

    Text Solution

    |

  15. Following are the ages (in years) of 360 patients , getting medical tr...

    Text Solution

    |

  16. The marks obtained by 90 students of a school in mathematics out of 10...

    Text Solution

    |

  17. It is known that a box of 800 electric bulbs contains 36 defective bul...

    Text Solution

    |

  18. Fill in the blanks . (i) Probability of an impossible event= …….. ...

    Text Solution

    |