It is evident that as teenagers‚ our brains are still developing and the use of marijuana can interfere with the growth and change of the structure of our brain. Many tests have been done to show that marijuana effects areas in the brain that deal with memory and problem solving‚ students have one grade point lower than those who do not smoke pot‚ and those who started using marijuana in their teenage years and continued to use it many years after are said to have lost about 8 IQ points from childhood
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course of the research; To provide JHCSC Molave-ESU with today’s modernization; and 3.3 Scopes and Limitations Scopes: 1. List of grades of the students; 2. Provides quick access of submitting grades by the registrar; 3. Students info; and 4. List of subjects; Limitations: 1. Enrolment System; 2. Billing System; and 3. Employees payroll system; 3.4 Charts‚ Tables and Diagrams HIPO (Hierarchical Input Process Output) diagram reveals the flow of the process of the system
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range. We are looking for the intermediaries who would help us reach the end customers. Sales force required will be around 5-6 personnel in every area to reach maximum number of customers. The policy of the intermediaries should be consistent with ours (after sales service‚ exchange policy-7/10 days‚ warranty of 6 months which includes stitching and zips). They should be ready to keep our entire product range. Intermediaries should help promote our bags by promotion activities at various corporate
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following table gives the classification of the amount paid and the method of payment at a department store. Cash Credit Debit Total < $20 10 8 6 24 $20 - $100 15 25 10 50 Over $100 5 15 6 26 Total 30 48 22 100 a) Find the probability that the amount paid is < $20 Answer: P(<$20) = b) Find the probability that the method of payment is credit Answer: P(Credit) = c) Find the probability that the amount is <$20 and the method of payment is credit?
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Chapter 3 Probability Distributions 1. Based on recent records‚ the manager of a car painting center has determined the following probability distribution for the number of customers per day. Suppose the center has the capacity to serve two customers per day. |x |P(X = x) | |0 |0.05 | |1 |0.20 | |2 |0.30 | |3 |0.25 | |4 |0.15 | |5 |0.05 | a. What is the probability that one
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DATA AND SYSTEM MODELING (PROB/STAT) Spring 2012 Assignment #2 Due: Monday‚ 5pm‚ 4/16/2012 Total points: 200 (each question 20 points) Please submit a softcopy (in PDF format) of your assignment to WebCT before the deadline. Late penalty: within 24 hours after the deadline: ‐20%; after 24 hours: 0 point. Question 1: [20 points] A film-coating process produces films whose thickness are normally distributed with a mean of 110 microns and a standard deviation of 10 microns. For a certain application
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Statistics Chapter 5 Some Important Discrete Probability Distributions 5-1 Chapter Goals After completing this chapter‚ you should be able to: Interpret the mean and standard deviation for a discrete probability distribution Explain covariance and its application in finance Use the binomial probability distribution to find probabilities Describe when to apply the binomial distribution Use Poisson discrete probability distributions to find probabilities 5-2 Definitions Random Variables A
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Probability Distribution Essay Example Suppose you flip a coin two times. This simple statistical experiment can have four possible outcomes: HH‚ HT‚ TH‚ and TT. Now‚ let the random variable X represent the number of Heads that result from this experiment. The random variable X can only take on the values 0‚ 1‚ or 2‚ so it is a discrete random variable Binomial Probability Function: it is a discrete distribution. The distribution is done when the results are not ranged along a wide range‚ but are
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score of one increases‚ the score of the other increases. (Points : 1) | True False | 4. A result that is probably not attributable to chance is: (Points : 1) | Type I error Type II error Statistical significance In the semi-quartile range | 5. A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values: (Points : 1) | . +/- 3 standard deviations +/- 2 standard deviations
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The Normal and Lognormal Distributions John Norstad j-norstad@northwestern.edu http://www.norstad.org February 2‚ 1999 Updated: November 3‚ 2011 Abstract The basic properties of the normal and lognormal distributions‚ with full proofs. We assume familiarity with elementary probability theory and with college-level calculus. 1 1 DEFINITIONS AND SUMMARY OF THE PROPOSITIONS 1 Definitions and Summary of the Propositions ∞ √ Proposition 1: −∞ 2 2 1 e−(x−µ) /2σ
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