Auniversity has 10,000 students of which 55% are male and 45% are female. if a class of 30 students is chosen at random from the university population, find the mean and variance of the number of male students.

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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