Home
Class 9
MATHS
In a cricket math , a batswoman hits a b...

In a cricket math , a batswoman hits a boundary 6 times out of 30 balls she plays . Find the probability that the did not hit a boundary.

Text Solution

Verified by Experts

The correct Answer is:
`4/5`
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS

    SUBHASH PUBLICATION|Exercise EXERCISE 4.5|37 Videos
  • QUADRILATERALS

    SUBHASH PUBLICATION|Exercise EXERCISE 7.2|10 Videos

Similar Questions

Explore conceptually related problems

Each of the n urns contains 4 white and 6 black balls. The (n+1) th urn contains 5 white and 5 black balls. One of the n+1 urns is chosen at random and two balls are drawn from it without replacement. Both the balls turn out to be black. If the probability that the (n+1) th urn was chosen to draw the balls is 1/16, then find the value of n .

A box consits of 4 rec. 5 black and 6 white balls. One ball is drawn out at random, find the probability that the ball drawn is black.

From the pair of linear equations for the following problems and find their solution by substitution method. The coach ofa a cricket team buys 7 bats and 6 balls for Rs. 3800. Later, she buys 3 bats and 5 balls for Rs. 1750. Find the cost of each bat and each ball.

From a lot of 30 bulbs which include 6 detective, a sample of 4 balls is drawn at random with replacement. Find the probability distribution of the number of defective bulbs.

The probability of a shooter hitting a target is (3)/(4) . How many minimum number of times must "he" // "she" fire so that the probability of hitting the target at least once is more than 0.99?

From the pair of linear equations for the following problems and find their solutions by substitution method. The coach of cricket team buys 7bats and 6balls and Rs 3800. Later, she buys 3 bats and 5 balls for Rs 1750. Find the cost of each bat and each ball.

A box contains 12 balls out of which x are black. If one ball is dran at random from the box, what is the probability that it will be a black ball? If 6 more black balls are put in the box, the probability of drawing a black ball is now double of what it was before. Find x.

A box contains 12 balls out of which x are black. If one ball is drawn at random from the box, what is the probablity that it will be a black ball? If 6 more black balls are put in the box, the probability of drawing a black ball is now double of what it was before. find x.

SUBHASH PUBLICATION-PROBABILITY -EXERCISE 15.1
  1. In a cricket math , a batswoman hits a boundary 6 times out of 30 ball...

    Text Solution

    |

  2. 1500 families with 2 children were selected randomly, and the followin...

    Text Solution

    |

  3. 1500 families with 2 children were selected randomly, and the followin...

    Text Solution

    |

  4. 1500 families with 2 children were selected randomly, and the followin...

    Text Solution

    |

  5. In a particular section of Class IX, 40 students were asked about the ...

    Text Solution

    |

  6. Three coins are tossed simultaneously 200 times with the following fre...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. A teacher analyses the performance of two sections of students in a ma...

    Text Solution

    |

  13. A teacher analyses the performance of two sections of students in a ma...

    Text Solution

    |

  14. To know the opinion of the students about the subject statistics , a s...

    Text Solution

    |

  15. To know the opinion of the students about the subject statistics , a s...

    Text Solution

    |

  16. Distance (in km) of 40 engineers from their place of residence to thei...

    Text Solution

    |

  17. Distance (in km) of 40 engineers from their place of residence to thei...

    Text Solution

    |

  18. Distance (in km) of 40 engineers from their place of residence to thei...

    Text Solution

    |

  19. Activity : Note the frequency of two - wheelers , three - wheelers and...

    Text Solution

    |

  20. Activity : Ask all the students in your class to write a 3 - digit num...

    Text Solution

    |