Class 10 · Chapter 14 · Statistics and probability

Probability

Chances as fractions: count fairly, count the opposite, and check the range.

Source: NCERT Mathematics, Class 10

1. 14.1Count Equally Likely OutcomesAttention · Look at whether the outcomes you're counting are equally likely.10 min
2. 14.2Count the Opposite EventAttention · Look at the opposite event when the event itself is crowded.8 min
3. 14.3Every Probability Lies Between 0 and 1Attention · Look at the favourable outcomes as a part of the whole.6 min