Home
Class 9
MATHS
Three coins are tossed 200 times and we ...

Three coins are tossed 200 times and we get
three heads, 39 times , two heads : 58 times,
one head : 67 times ' 0 head : 36 times .
When three coins are tossed at random , what is the probability of getting (i) 3 heads ? (ii) 1 head ? (iii) 0 head ? (iv) 2 heads ?

Text Solution

Verified by Experts

The correct Answer is:
(i) 0.195 (ii) 0.335 (iii) 0.18 (iv) 0.29
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

Two coins are tossed 400 times and we get two heads : 112 times, one head , 160 times , 0 head , 128 times . When two coins are tossed at random , what is the probability of getting (i) 2 heads ? (ii) 1 head ? (iii) 0 head ?

Two coins are tossed simultaneously 200 times and we get two heads: 58 times, one head: 83 times, 0 head: 59 times When two coins are tossed at random, what is the probability of getting Q (i) 2 heads (ii) 1 head (iii) 0 head

Two coins are tossed simultaneously 400 times and we get two heads : 180 times one head : 148 times no head : 72 times . If two coins are tossed at random , what is the probability of getting (i) 2 heads ? (ii) 1 head ? (iii) 0 head ?

A coin is tossed 300 times and we get head: 136 times and tail: 164 times. When a coin is tossed at random, what is the probability of getting Q (i) a head (ii) a tail

Two coins are tossed simultaneously 300 times and it is found that two heads appeared 135 times, one head appeared 111 times and no head appeared 54 times. If two coins are tossed at random, what is the probability of getting (i) 2 heads (ii) 1 head (iii) 0 head?

A coin is tossed 500 times and we get heads : 285 times and tails : 215 times When a coin is tossed at random , what is probability of getting (i) a head ? (ii) a tail ?

Six coins are tossed simultaneously. Find the probability of getting (i) 3 head (ii) no head (iii) at least one head.

Two coins are tossed simultaneously 600 times to get 2 heads , 234 times , 1 head : 206 times , 0 head : 160 times . If two coins are tossed at random , what is the probability of getting at least one head ?

Six coins are tossed simultaneously.Find the probability of getting (i) 3heads (ii) no heads (iii) at least one head

Three unbiased coins are tossed together. Find the probability of getting: (i)all heads (ii) two heads (iii)one head (iv) at least two heads

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

    |