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30 children were asked about the number of hours they watched TV programmes last week. The results are recorded as under.

Based on this information, the probability of a child chosen at random who watched TV for less than 5 hours.

1. 1/6
2. 1/5
3. 1/4
4. None of these

2.

Eleven bags of rice, each marked 5 kg actually contained the following weight of rice (in kg):

4.97, 5.05, 5.08, 5.03, 5.00, 5.06, 5.08, 4.98, 5.04, 5.07, 5.00

Find the probability that any one of these bags chosen at random contains less than 5 kg of rice?

1. 7/11
2. 9/11
3. 2/11
4. 4/11

3.

A survey was conducted among 10000 voters in UP about their favourite political part and following table shows the record:

Based on this information, the probability of a voter chosen at random whose favourite party is INC

1. 13/20
2. 3/20
3. 7/20
4. 9/20

4.

A survey was conducted among students about subject History and following table shows the record:

Based on this information, the probability of a student chosen at random who likes the subject is

1. 13/20
2. 11/20
3. 7/20
4. 9/20

5.

1000 families with 2 children were selected randomly this is shown in following table

Based on this information, the probability of a family chosen at random having at least one boy

1. 1/2
2. 1/8
3. 1/4
4. 3/4

6.

70 bulbs are selected at random from a lot and their life time (in hrs) is recorded in the form of a frequency table given below:

One bulb is selected at random from the lot. The probability that its life is 1150 hours, is

1. 1/20
2. 0
3. 1
4. 7/16

7.

Two coins are tossed 1000 times and the outcomes are recorded as below:

Based on this information, the probability for no head is

1. 1/2
2. 1/8
3. 1/4
4. 11/20

8.

In an organization, the following table represents the number of years of experiences of employees:

If an employee is selected at random. The probability that his/her experience is greater than 10 years.

1. 4/17
2. 8/17
3. 3/17
4. 7/17

9.

In a medical examination of students of a class, the following blood groups are recorded follows :

If a student is selected at random from the class. The probability that he/she has blood group O, is

1. 1/2
2. 1/4
3. 1/8
4. 1/5

10.

A die is thrown 1000 times and the outcomes were recorded as follows :

If the die is thrown once more, then the probability that it shows 3 is

1. 1/20
2. 1/4
3. 1/3
4. 1/5

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