# Probability Experimental Approach Free Doubts and Solutions

### CBSE - IX - Mathematics - Probability

## 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.

**sajal2402**12th March 2018, 7:13 AM

### CBSE - IX - Mathematics - Probability

## 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

**Muruga**8th March 2018, 7:46 AM

### CBSE - IX - Mathematics - Probability

## 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.

**gujarsurjeet007**22nd February 2018, 4:21 PM

### CBSE - IX - Mathematics - Probability

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

**Suresh**13th February 2017, 6:31 PM

### CBSE - IX - Mathematics - Probability

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

**kamendrakumar79**25th February 2016, 9:54 PM

### CBSE - IX - Mathematics - Probability

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

**Shaswat Tripathi**6th March 2015, 2:04 AM

### CBSE - IX - Mathematics - Probability

## 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.

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Probability

## 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"?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Probability

## 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?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Probability

## 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?

**Topperlearning User**9th December 2013, 3:51 AM

### CBSE - IX - Mathematics - Probability

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

**Topperlearning User**9th December 2013, 3:46 AM

### CBSE - IX - Mathematics - Probability

## 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?

**Topperlearning User**9th December 2013, 3:38 AM

### CBSE - IX - Mathematics - Probability

## 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?

**Topperlearning User**9th December 2013, 3:35 AM