MCQ Class 9 Maths Ganita Manjar Chapter 7 The Mathematics of Maybe: Introduction to Probability Advertisement 1. Probability is used to measure: Weight Height Likelihood of events SpeedQuestion 1 of 202. Which of the following is a random event? Sun rises in east Tossing a coin 2 + 2 = 4 A week has 7 daysQuestion 2 of 203. Randomness means: Fixed result Predictable result Unpredictable result Impossible resultQuestion 3 of 204. Sample space for tossing a coin is: {H} {T} {H, T} {1, 2}Question 4 of 205. Sample space for rolling a die is: {1,2,3,4,5} {1,2,3,4,5,6} {0,1,2,3,4,5} {2,4,6}Question 5 of 206. Probability scale ranges from: 1 to 10 -1 to 1 0 to 1 0 to 100Question 6 of 207. Probability of an impossible event is: 1 0 1/2 2Question 7 of 208. Probability of a certain event is: 0 1/2 1 2Question 8 of 209. Probability of getting head on a fair coin is: 1 1/2 1/3 2Question 9 of 2010. Probability of rolling a 4 on a fair die is: 1/4 1/5 1/6 1/2Question 10 of 2011. Experimental probability depends on: Guess Data from trials Imagination LuckQuestion 11 of 2012. Theoretical probability depends on: Assumption of equally likely outcomes Guess Opinion MemoryQuestion 12 of 2013. Experimental probability formula is: Favorable/possible Occurred/trials Trials/occurred Possible/favorableQuestion 13 of 2014. Theoretical probability formula is: Favorable outcomes/possible outcomes Possible/favorable Trials/possible Total/favorableQuestion 14 of 2015. Relative frequency means: Total trials Theoretical value Experimental probability Impossible eventQuestion 15 of 2016. If a die is rolled 50 times and 4 comes 8 times, probability is: 8/40 8/50 4/50 1/8Question 16 of 2017. Which is a fair method in cricket? Dice Coin toss Lottery GuessingQuestion 17 of 2018. A fair coin is also called: Balanced Unbiased Fixed EqualQuestion 18 of 2019. A die has how many outcomes? 4 5 6 8Question 19 of 2020. Event is: Entire sample space Subset of sample space Impossible set Fixed setQuestion 20 of 20 Loading...
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