Question

explain the main concepts of probability chap​

Answer 1

Step-by-step explanation:

Basic Concepts of Probability. A probability is a number that reflects the chance or likelihood that a particular event will occur. ... A probability of 0 indicates that there is no chance that a particular event will occur, whereas a probability of 1 indicates that an event is certain to occur.Jul

Answer 2

Answer:

Learn these formulae verry imp

:

$1.tn = a +( n - 1)d. \\2 \: .sn = \frac{n}{2} \times 2a + (n - 1)d. \\ 3.sn = \frac{n}{2} \times (t1 + tn). \\ 4. \: sn = \frac{n}{2} \times (a + l).$

This formulae will help you a lot.

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