Overview
In these videos, you will learn the applications of the normal distribution. Some of these videos are optional. You may want to write the two calculator functions on a piece of paper or note cards and keep them handy.
To find areas under the normal curve using the TI-84 calculator, use:
Normalcdf(lower, upper, mean, SD)
To find x when given an area using the TI-84 calculator use:
InvNorm(area, mean, SD, tail)
To Do:
1. Take notes while watching the videos. Notes for my Video
2. Read chapter 6.2 pages 260 – 266 (optional)
3. Answer the question below and upload your work.
4. To assess your understanding, complete the quiz that follows after this page.
Video 1: Ch 6.2 Part 1 Applications of the normal distribution – Triola Guided Notes
Ch 6.2 Part 1
Video 2: Optional. Ch 6.2 Part 2 Applications of the normal distribution (OPTIONAL, watch video 2 if you want additional examples) – Triola Guided Notes https://m.youtube.com/watch?v=FVQu9o_JXo4
Ch 6.2 Part 2
Video 3: with TI-84 Demo(Part I): In this Video, I cover the normal distribution using the TI-84 calculator. Twelve minutes into the video is the Calculator Demo. Note: Let X be the birth weight of a randomly selected baby.
Video 4 Optional (Part II): In this video, I cover additional examples for finding probabilities using the TI-84 calculator as well as using InvNorm. finding X on the calculator. You can skip the video if you wish.
In Video 4 Part II, there is an explanation of the problem below.
Problem:
Birth Weights of Babies in the US can be modeled by a normal distribution with mean 3300 grams (≈7.3 lbs) and standard deviation 570 grams. How much would a baby have to weigh to be among the heaviest 10% of all newborns? Draw and label the bell curve. Interpret the results in one sentence. Let X = the birth weight of a randomly selected baby