Apoll states that hillary clinton will receive 43 percent of the vote. there is an 8 percent margin of error. what do you think of the poll?
a. it is a good poll and the margin of error is small.
b. it is a good poll and the margin of error is acceptable.
c. it is a non-representative poll and the margin of error is too high.
d. the poll accurately predicts clinton will receive 43 percent of the vote.

c. It is a non-representative poll and the margin of error is too high.

Step-by-step explanation:

The poll stating Hillary Clinton will receive 43% of the vote and margin of error is 8% means that Hillary Clinton will receive the vote 43±8 percent, that is between 35% and 51%.

The poll is non-representative because interval includes a proportion where Hillary Clinton wins the election (51%), but also includes percentages that Hillary Clinton loses (35%).

Therefore the It is a non-representative poll and the margin of error is too high.

h

Step-by-step explanation:

Firstly, The margin of error tells you the range of values above and below a confidence interval. in simpler terms, A margin of error, simply lets you know how "off" your calculation is from the accurate value a certain percentage of the time (which isn't indicated in this question.

This information means that if the poll were conducted 100 times, the poll results will range between 35 and 51 percent most of the time (43 - 8 = 35, 43 + 8 = 51).

Now, the higher the margin of error, the less reliable the poll is.

I'd go with option A. The poll is a good one and the Margin of error is small.

(in real life tho, statistics isn't always right, due to many factors e.g, sampling techniques etc)

hope it helps ?

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

by definition, an arc subtended by a central angle of some given measure has the same measure. so .