The Normal Distribution
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
Sample: the first question, solved
A normal distribution is symmetric about which value?
📘 Worked solution
✓The mean.
And one from the hard end
Using the same distribution (μ=200, σ=25), find the value that is exactly 2 SD below the mean.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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