I need help please.

Find the critical z values. Assume that the normal distribution applies. Right-Tailed test; x=0.03. z=?

Z = (score-mean)/SD

Need mean and SD.

PsyDag this is all I was given to work with. And I am stumped.

To find the critical z-values for a right-tailed test, you need to determine the significance level (α) or the probability of rejecting the null hypothesis when it is true.

Assuming that you want to find the critical z-value when α = 0.03, you can follow these steps:

1. Look up the corresponding area in the right-tail of the standard normal distribution table. Since α = 0.03 is the significance level for a right-tailed test, we need to find the area to the right of the critical z-value.

2. Subtract α from 1 to get the area in the right-tail. In this case, the area in the right tail is 1 - α = 1 - 0.03 = 0.97.

3. Look up the area 0.97 in the standard normal distribution table and find the corresponding z-value. The z-value obtained from the table will give you the critical z-value for the given significance level.

Alternatively, you can also use statistical software or online calculators to find the critical z-value directly by entering the significance level (α) and specifying the right-tailed test.

Note that critical values are symmetric in a standard normal distribution, so you can use the positive z-value to represent the critical value for a right-tailed test.

Hope this explanation helps you find the critical z-value for your problem!