What is the z-value associated with a 95% confidence interval in a standard normal distribution?
- 1.64
- 1.96
- 2
- 2.33
The z-value associated with a 95% confidence interval in a standard normal distribution is approximately 1.96. This means that we are 95% confident that the true population parameter lies within 1.96 standard deviations of the sample mean.
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