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Home /Doubts and Solutions/CBSE/Class 9/Mathematics/Probability/Probability Experimental Approach

# Probability Experimental Approach Free Doubts and Solutions

### CBSE - IX - Mathematics - Probability

Asked by Girishdhawan 1st July 2018, 3:11 PM

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## A bag contains 12 balls out of which x are white. If one ball is taken out from the bag, find the probability of getting a white ball.

Asked by sajal2402 12th March 2018, 7:13 AM

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## A die is rolled 150 times and its outcomes are recorded as below:    Find the probability of getting: (i) An odd number (ii) A multiple of 4 A die is rolled 150 times and its outcomes are recorded as below:    Find the probability of getting: (i) An odd number (ii) A multiple of 4

Asked by Muruga 8th March 2018, 7:46 AM

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## A bulb is selected at random . Find the probability that the life time of the selected bulb is: (i) Less than 400 (ii) Between 300 to 800 hours. (iii) At least 700 hours.

Asked by gujarsurjeet007 22nd February 2018, 4:21 PM

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## a machine in a soft drink factory fills 840 bottles in six hours how many bottles will it fill in five hours?

Asked by Suresh 13th February 2017, 6:31 PM

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## What is the probability of getting 53 sundays in a leap year.

Asked by kamendrakumar79 25th February 2016, 9:54 PM

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## Dear Sir/Mam   i wanted  to know how hard it is to be a mathmatician

Asked by Shaswat Tripathi 6th March 2015, 2:04 AM

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### CBSE - IX - Mathematics - Probability

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## The number of visitors who visited a jewellery shop in a week are given below: 20, 24, 27, 36, 40, 35, 30 Find the probability that on a particular day, number of visitors are more than 30.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Probability

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Probability

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## When a thumbtack is tossed, there are two possible outcomes. If the empirical probability of "point up" is fixed to be 0.73, what should be the probability of "point down"?

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## A pair of dice was rolled 5350 times. A pair of 5's occurred 140 times. What is the empirical probability of a pair of 5's?

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Probability

Asked by Topperlearning User 9th December 2013, 4:03 AM

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### CBSE - IX - Mathematics - Probability

Asked by Topperlearning User 9th December 2013, 3:58 AM

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### CBSE - IX - Mathematics - Probability

Asked by Topperlearning User 9th December 2013, 3:55 AM

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## You reach your hand into a bag of Scrabble tiles. You pull out one tile and find it has letter A. You pull out one more tile. What is the probability that it will be a letter Z?

Asked by Topperlearning User 9th December 2013, 3:51 AM

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## In a medical examination of students of a class, the following blood groups were recorded:

Asked by Topperlearning User 9th December 2013, 3:46 AM

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### CBSE - IX - Mathematics - Probability

Asked by Topperlearning User 9th December 2013, 3:41 AM

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## A large basket of fruit contains 3 oranges, 2 apples and 5 bananas. If a fruit is chosen at random, what is the probability of getting an orange or a banana?

Asked by Topperlearning User 9th December 2013, 3:38 AM

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## A particular make and model of T.V. set has been on the market for six months. During that time 12,492 sets were sold to consumers. Of those, 327 were identified as needing repair during the warranty period. What is the empirical probability that a given T.V. of this make and model will require repair during the warranty period?

Asked by Topperlearning User 9th December 2013, 3:35 AM