3 years ago

Find the measure of each interior angle of the regular polygon

Mathematics

1 answer:

Lena [83]3 years ago

4 0

Answer:

Step-by-step explanation:

Given it's a regular poligon, we calculate its angles as follows :

(6-2)*180/6 get rid of parenthesis
4*180/6 then multiply
720/6 now divide it
120 is the measure of one angle and since it's a regular poligon each angle has same measure

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The wall street journal corporate perceptions study 2011 surveyed readers and asked how each rated the quality of management and

malfutka [58]

Answer:

Hello some parts of your question is missing below is the missing part

answer : A) p-value = 0.0019 ,

The level of significance ( 0.05 ) > p-value ( 0.0019 )

B) There is no dependence between the two ratings

Step-by-step explanation:

A) using a 0.05 level of significance and test for independence of the quality of management

Test statistic : $X^{2}$ ∑ ( Oi - Ei )^2 / Ei

= [(40-35)^2 / 35 ] + [(25-24.5)^2 / 24.5 ] + [(5-10.5)^2 / 10.5] + [(35-40)^2 / 40] + [(35-28)^2 / 28] + [(10-12)^2 / 12] + [ (25-25)^2 / 25 ] + [(10-17.5)^2 / 17.5 ] + [(15-7.5)^2 / 7.5] = 17.03

p-value = 0.0019

Df = 4 ,

The level of significance ( 0.05 ) > p-value ( 0.0019 )

B) There is no dependence between the two ratings