Recent questions tagged class-9

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Q: In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays.

In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that ... not hit a boundary. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: 1500 families with 2 children were selected randomly, and the following data were recorded :

1500 families with 2 children were selected randomly, and the following data were recorded : Number of girls in ... is 1. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: Find the probability that a student of the class was born in August.

Find the probability that a student of the class was born in August. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes :

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes : Outcome 3 Heads 2 ... coming up. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: An organisation selected 2400 families at random and surveyed them to determine a relationship

An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and ... 1 vehicle. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: (i) Find the probability that a student obtained less than 20% in the Mathematics test.

(i) Find the probability that a student obtained less than 20% in the Mathematics test. (ii) Find the ... student obtained marks 60 Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: To know the opinion of the students about the subject statistics, a survey of 200 students was conducted.

To know the opinion of the students about the subject statistics, a survey of 200 students was conducted. The data is ... not like it. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: Eleven bags of wheat flour, each marked 5 kg, actually contained the following weights of flour (in kg.)

Eleven bags of wheat flour, each marked 5 kg, actually contained the following weights of flour (in kg.) 4.97 5. ... 5 kg of flour. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: A coin is tossed 500 times and we get Heads: 285 times and tails: 215 times.

A coin is tossed 500 times and we get Heads: 285 times and tails: 215 times. When a coin is tossed at random, ... head? (ii) a tail? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: Three coins are tossed 200 times and we get Three heads: 39 times; two heads: 58 times; One head: 67 times; o head: 36 times.

Three coins are tossed 200 times and we get Three heads: 39 times; two heads: 58 times; One head: 67 times; o ... head? (iv) 2 heads? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance