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Draw any line segment, say [latex]overline{AB}[/latex].Take any point C lying in between A and B. Measure the lengths of AB, BC and AC. Is AB = AC + CB?

Solution We are given that point C lie in between A and B. Hence, all points are lying on the same... View Article

Why is it better to use a divider than a ruler, while measuring the length of a line segment?

It is better to use a divider than a ruler while measuring the length of a line segment because while... View Article

The sixth class interval for a grouped data whose first two class intervals are 10 – 15 and 15 – 20 is ______

The sixth class interval for a grouped data whose first two class intervals are 10 – 15 and 15 –... View Article

The difference between the upper and lower limit of a class interval is called the ______ of the class interval.

The difference between the upper and lower limit of a class interval is called the Size/width of the class interval.... View Article

An experiment whose outcomes cannot be predicted exactly in advance is called a ______

An experiment whose outcomes cannot be predicted exactly in advance is called a random experiment. Explanation An activity that produces... View Article

Each outcome or a collection of outcomes in an experiment makes an _____

Each outcome or a collection of outcomes in an experiment makes an Event. Explanation In probability, events are the outcomes... View Article

When a dice is rolled, the six possible outcomes are ______

When a dice is rolled, the six possible outcomes are 1, 2, 3, 4, 5 and 6. Explanation When a... View Article

A pie chart is used to compare ____ to a whole.

A pie chart is used to compare parts to a whole. Explanation A pie chart is a type of graph... View Article

The range of the data 6, 8, 16, 22, 8, 20, 7, 25 is _____

The range of the data 6, 8, 16, 22, 8, 20, 7, 25 is 19. Explanation The range in statistics... View Article

In the class interval 26 – 33, 33 is known as ____

In the class interval 26 – 33, 33 is known as an upper-class limit. Explanation The two limits the upper one... View Article

In the class interval 20 – 30, the lower class limit is ____

In the class interval 20 – 30, the lower class limit is 20. Explanation The two limits the upper one... View Article

Data available in an unorganised form is called ____ data.

Data available in an unorganised form is called raw data. Explanation The term raw data comes in the concept of... View Article

A dice is tossed two times. The number of possible outcomes is (a) 12 (b) 24 (c) 36 (d) 30

The correct answer is (c) 36 Explanation Probability is a measure of the likelihood of an event to occur. The... View Article

A coin is tossed three times. The number of possible outcomes is (a) 3 (b) 4 (c) 6 (d) 8

The correct answer is (d) 8 Explanation Probability= Head Head Head, Tail Tail Tail, Tail Head Head, Head Tail Head,... View Article

A coin is tossed two times. The number of possible outcomes is (a) 1 (b) 2 (c) 3 (d) 4

The correct answer is (d) 4 Explanation Probability= Head Head, Tail Tail, Tail Head, Head Tail. Probability is a measure of... View Article

A glass jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size. Hari takes out a marble from the jar at random. What is the probability that the chosen marble is of red colour? (a) 7/10 (b) 3/10 (c) 4/5 (d) 2/5

The correct answer is (b) 3/10 Explanation Probability is a measure of the likelihood of an event to occur. The... View Article

Numbers 1 to 5 are written on separate slips, i.e. one number on one slip and put in a box. Wahida pick a slip from the box without looking at it. What is the probability that the slip bears an odd number? (a) 1/5 (b) 2/5 (c) 3/5 (d) 4/5

The correct answer is (c) 3/5 Explanation Probability is a measure of the likelihood of an event to occur. The... View Article

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