Answer:
We can be 95% confident that consumers spend between $4.04 and $15.96 less at Store A than the consumers spend at Store B.
Step-by-step explanation:
Confidence Intervals give an estimate as range of values for a statistic concerned at a <em>confidence level</em>.
In this case the statistic is the mean difference between Store A and Store B purchase amounts and the confidence level is 95%.
Confidence Interval can be calculated using M±ME where
- M is the sample mean difference between Store A and Store B purchase amounts
- ME is the margin of error from the mean
I think it’s D. Hope this helps
Answer:
Step-by-step explanation:
7g-6+3n+4= 7g+3n-2
Answer:
twice. (2)
Step-by-step explanation:
1 in 5 times you play, you'll win. every time you play 5 times, you'll win one, so if you play 10 times (double) you'll win double (twice)
Answer:
see explanation
Step-by-step explanation:
∠ 1 = ∠ 4 ( corresponding angles ), then
∠ 1 = 102°
∠ 2 = ∠ 3 ( corresponding angles ), then
∠ 2 = 78°
