Answer:
city c
Step-by-step explanation:
city d increased by 8,
b increased by 4
a increased by 4
C increased by 9
Answer:
306.25
Step-by-step explanation:
12.25(25)
True mean = mean+/- Z*(SD/sqrt (n))
Where
Z = 1.96 at 95% confidence interval
Mean = 10.3 pounds
SD = standard deviation = 2.4 pounds
n= sample size = 37 packages
Substituting;
True mean range = 10.3+/- 1.96 * 2.4/Sqrt (37) =10.3+/- 0.77 = 9.53<mean<11.07
Answer:
False
Step-by-step explanation:
32 + 6 - 31 = 7 not -7
