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Topic 2: TI-83 Plus or TI-84 Plus Calculator Function View the information below and respond accordingly. Given the following graphing calculator functions: normalcdf(lower bound, upper
Topic 2: TI-83 Plus or TI-84 Plus Calculator Function
View the information below and respond accordingly.
Given the following graphing calculator functions:
normalcdf(lower bound, upper bound, mean, standard deviation)
invNorm(area to the left, mean, standard deviation)
- When would you use either of these functions?
- If the average THC content of marijuana sold on the street is 10.5% and THC content is normally distributed with standard deviation of 2%. Which function would you use to (a) Find the probability that a randomly selected bag of marijuana sold on the street will have a THC content greater than 9.1, and (b) Find the 67th percentile for this distribution.
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