Answer:
x = 11
Step-by-step explanation:
- Vertically opposite angles are equal
- Angles around a point add up to 360°
Therefore, 



Answer:
(0.084,0.396)
Step-by-step explanation:
The 99% confidence interval for the proportion of customers who use debit card monthly can be constructed as










By rounding to three decimal places we get,

The 99% confidence interval for the proportion of customers who use debit card monthly is (0.084,0.396).
Answer:
1,000 divided by 12=
aprox 83.3 meters per minute
Answer:
Steps and solution in the attached picture.
Step-by-step explanation:
Steps and solution in the attached picture.