**Title: Analyzing the Distribution of THC Content in Marijuana****Introduction:**The average THC content of marijuana sold on the street is 9.4%. Suppose the THC content is normally distributed with a standard deviation of 2.6%. Let X be the THC content for a randomly selected bag of marijuana that is sold on the street.**Questions:**a. **What is the distribution of X?**- X ~ N(9.4, 2.6)b. **Find the probability that a randomly selected bag of marijuana sold on the street will have a THC content greater than 7.9.** - Round your answer to 4 decimal places.c. **Find the 65th percentile for this distribution.**- Round your answer to 2 decimal places.**Instructions:**Complete the blanks by calculating the required probabilities and percentiles based on the normal distribution.

From the provided information, Mean (µ) = 9.4% Standard deviation (σ) = 2%

Answered: The average THC content of marijuana…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a study, 25,000 adults were randomly surveyed as to the number of grandchildren they have, X. The probability distribution is given below. Find the mean and the standard deviation of the probability distribution using a TI-83, TI-83 Plus, or TI-84 graphing calculator. Round the mean to one decimal place and the standard deviation to two decimal places. x P(x) 0 0.01 1 0.02 2 0.02 3 0.24 4 0.35 5 0.20 6 0.07 7 0.05 8 0.02 9 0.01 10 0.01
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find the standard deviation based on the following given where you have three states: good, average and poor where Ps are 30%,50% and 20% and Rs are 20%, 15% and -4% respectively-? a. 0.0074 b. 0.0278 c. 0.127 d. 0.167
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