If an observation has a z-score of $0$ in the standard normal distribution, what does this indicate about the observation's value relative to the mean?

Which of the following is most likely to be modeled by a $standardnormaldistribution$?

Which of the following is a property of the standard normal distribution?

For the standard normal distribution, what is the total area under the normal curve?

For the standard normal distribution, what proportion of the distribution lies between $z=-1.75$ and $z=1.75$?

Which of the following does not describe the standard normal distribution?

Which of the following does not describe the standard normal distribution?

Given the mean of a normal distribution is $\mu$ and the standard deviation is $\sigma$, what is the mean of the corresponding standard normal distribution after standardizing the variable?