Answer:
3920
Step-by-step explanation:
(9+11)(14•14)
(20)(196)
20 x 196
3920
$ 74.2 each because 30 %of 300 is 90 so you take out the 90 and only 210 left. after that 6 %of 210 is 12.6 so your add 12.6 tax to 210 .. so you have 222.6 at last you divide it by 3 so you get 74.2
Answer:
m=2
Step-by-step explanation:
I calculated it sorry
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