Posted by **Emily** on Monday, September 13, 2010 at 6:00pm.

I generally know how to use the normalcdf function on my calculator, but how to I find the area under a normal curve if there is no lower limit or no upper limit? For instance, we are required to use a calculator on this problem:

Find the area under the standard normal curve that corresponds to the z values to the left of 1.55.

The upper limit would be 1.55, but what do I put for the lower limit?

- AP Stats -
**PsyDAG**, Wednesday, September 15, 2010 at 1:17pm
negative infinity?

## Answer This Question

## Related Questions

- Calculus - For the function f(x)=10-4(x^2), find a formula for the lower sum ...
- 12th Calculus - 1. Explain why the function f(x)=(x^2-4)/(x-2) is not continous ...
- Calculus - These are the two problems from my homework I don't get.. can you ...
- math - How do you find the definite integral of an absolute function? ∫_0^...
- Stats - Can someone please explain how to find the frequency from: Lower limit:...
- STATs 353 - Find the 98% confidence interval for estimating ìd based on these ...
- Calculus - The area A of the region S that lies under the graph of the ...
- stats 101 - how do you find the lower class limit,upper class limit, class width...
- Calculus Fundamental Theorem - Evaluate the definite integral. function: x+13 ...
- Stats - Allen's hummingbird (Selasphorus sasin) has been studied by zoologist ...

More Related Questions