Solve for x and y.

Round your answer to 1 decimal place!!
X=

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?