Answer:
This means that we are 80% confident that the mean of the drive-through service time is between 178.0 seconds and 181.0 seconds. This conclusion was obtained after examined 576 customers. If you want a greater % of confidence you will have to lower the lower bound and increase the upper bound
Answer:C
Step-by-step explanation:
Answer:
≈85.43
Step-by-step explanation:
apply the binomial theorem to the square
≈85.43
Hope this helps
Answer:
You would first add 3 to 12 - 6x =15
x =2.5
12(2.5) = 30
Final value =38
Step-by-step explanation:
Answer:
Problem A: 12%
Problem B: 20%
Problem C: 49%
Step-by-step explanation:
<u>Problem A</u>
Total of 58 and over: 50
In Favor: 6
6 / 50
0.12 * 100
<u>12%</u>
<u />
Answer: 12%
<u>Problem B</u>
Total of 18-37: 50
Oppose: 10
10 / 50
0.2 * 100
<u>20%</u>
<u />
Answer: 20%
<u>Problem C</u>
Total number of people: 150
Total people that are in favor: 73
73 / 150
0.487 * 100
<u>49%</u>
<u />
Answer: 49%
