• 4 Marks

QT – May 2019 – L1 – Q4a – Probability

Sketch the normal distribution curve showing the mean, median, and mode.

The continuous random variable X is normally distributed with mean μ and variance σ2.

Required:
Sketch the distribution of  and indicate on your sketch the mean, median, and mode. (4 marks)

A normal distribution curve is bell-shaped and symmetric around the mean μ. The mean, median, and mode are all equal and located at the center of the distribution.

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