Answer:
3x + 2 = 5x -4
Step-by-step explanation:
Answer:
Check the explanation
Step-by-step explanation:
:proportion of male smoker lung deaths is same for the four given tar level categories.
:proportion of male smoker lung deaths is not the same for the four given tar level categories.
Expected frequency=1177/4=294.25
Tar level Observed Freq.(O) Expected Freq.(E) (O-E)^2/E
0-7 107 294.25 120.435
8-14 375 294.25 5.643
15-21 553 294.25 227.533
>=22 183 294.25 42.061
Total= 1177 1177 395.673
Total chi square score=395.673
df=4-1=3
p-value=CHIDIST(395.673,3)<0.001
p-value<0.001,Reject null hypothesis.
There is sufficient evidence that the proportion of male smoker lung deaths is not the same for the four given tar level categories.
Answer:
10 minutes
Step-by-step explanation:
Annes and Kates rate = 24 ÷ 8 min
= 3 tacos/min
Annes rate = 12 ÷ 6 min
= 2 tacos/ min
Kates rate = 3 tacos/min - 2 tacos/min
= 1 taco/min
Time taken = 10× 1
= 10 min
Answer:
The fifth answer is correct! have a great day
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