melani0209 melani0209

17-05-2021
Mathematics

contestada

True or False
In order for any sample to be representative, it has to be a sample size of at least 30

Respuesta :

28cwhittaker 28cwhittaker

17-05-2021

For example, a classroom of 30 students with 15 males and 15 females could generate a representative sample that might include six students: three males and three females

so true i think

Answer Link

Otras preguntas

which of the following expressions is equivalent to 20 - 4/5 x > (the > has a line under it) 16?

INSERT TWO RATIONAL NUMBERS BETWEEN 2 AND 3. How to find them?

A 12-sided polygon will contain ?? straight angles in the sum of its vertices. Pls help me

Two cars leave Denver at the same time and travel in opposite directions. One car travels 10 mi/h faster than the other car. The cars are 500 mi apart in 5 h. H

If x = 30 degree, then which expression is equivalent to 1/2? a. -sin x b. sin x c. -cot x d. cot x

the cost of the item is $56 after a 20% discount....what is original price? how do you get the answer?

Match each expression with its simplified form. 1. a/(a^2-4)+2/(3a+6) 2.5/a+7 3.a/ab-3/b 4.6/ab+8/a 5.3a/4b^2-b/6a

A card is drawn at random from a well-shuffled deck of playing cards. Find the probability that the card drawn is (i)a card of spade or an ace (ii)a red king (i

How many ways can the letters of the word ORGANISM be arranged so the third letter is G?

To avoid risks associated with tornadoes, lightning, and hurricanes, in the United States you should steer clear of