Answer:
52
Step-by-step explanation:
S(blue) = S(Whole) - S(cut part)
S(blue) = 7*11 - 5*5 = 77 - 25 = 52
((5-2)*180)/5=SPT
SPT=108
360-(108+90)=RPT
RPT=162
((n-2)*180)/n=162
162n=(n-2)*180
.9n=n-2
.1n=2
n=20
Answer:
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
B,.C and D are wrong because
B states all. The hypothesis stated above does not mention all samples
.
C. Mentions a mean. Per the hypothesis, the percentage of defective screens was an actual number and not a mean.
D. The question is not referring to a standard deviation