# Normal distribution problems

Note: Use the standard normal distribution table below, where Z Z has mean \mu = 0 μ=0 and standard deviation \sigma = 1. σ=1. \begin {matrix} z & P (0 \leq Z \leq z) \\ 1 & 0.3413 \\ 1.5 &

## Normal distribution problems: Empirical rule

Problems X is a normally normally distributed variable with mean μ = 30 and standard deviation σ = 4. Find a) P (x 21) c) P (30 < x < 35) A radar unit is used to measure speeds of

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## Solving Problems Involving Using Normal Distribution ?

I'm using it essentially to get some practice on some statistics problems. So here, number 2. The grades on a statistics midterm for a high school are normally distributed with a mean of 81 and
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## Normal Probabilities Practice Problems Solution

The empirical rule, or the 68-95-99.7 rule, tells you where most of your values lie in a normal distribution: Around 68% of values are within 1 standard deviation from the mean. Around 95% of values are within 2 standard