If P= {2, 3, 5, 7, 11, 13, 17, 19}, what is n(P)?

We are given the set:

P = {2, 3, 5, 7, 11, 13, 17, 19}

The n( ) function of a set is used to find out the number of elements in a set [also known as the cardinality of a set]

To find out the cardinality of a set, we usually count the number of terms in the set but keep in mind that ∅ (null) is an element of every set there is. So, the given set can be re-written as:

P = {∅, 2, 3, 5, 7, 11, 13, 17, 19}

From this, we can clearly see that there are 9 elements in this set

Therefore, the n(P) (cardinality) of this set is 9

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

segment bisector

step-by-step explanation:

line segment bisector. definition: a line, ray or segment which cuts another line segment into two equal parts. try this drag one of the orange dots at a or b and note the the line ab always divides the line pq into two equal parts.

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