Answer:
B. 12.5
Step-by-step explanation:
We have the lowe confidence interval = 185
The upper confidence interval = 210
Mean of X = (lower confidence + upper confidence interval)/2
Mean of X = 185 + 210/2
= 197.5
The margin of error = the upper confidence interval - mean of X
= 210-197.5
= 12.5
Answer:
Each shirt was $8.30
Step-by-step explanation:
I’m not really sure it’s really complicated
(1/3)/(5)= 1/3 * 1/5 = 1/15 of a chocolate bar each friend gets
U+(v-t)
that’s the answer!
