conditioning in rats. The purpose of the experiment was to condition rats to suppress certain hunger behaviors such as water licking. Burdick and James paired the neutral stimulus of white light with shock in a “test chamber” to see if rats would develop an association between the two stimuli. Naturally‚ shock induces a fear-like freezing behavior‚ and after being conditioned the rats displayed the same behavior but only to the white light. Furthermore‚ they would then place the rats back in their
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"Join or Die." A meeting was held in Albany in the spring of 1754 to address this issue. Colonial leaders‚ officials and representatives from seven of the British colonies attended the conference. Benjamin Franklin and Massachusetts governor Thomas Hutchinson together drafted a proposal of colonial unity to combat the war against the French. It was called the Albany Plan of Union. The plan would create new layers of government including a president-general that was appointed by the crown.
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decimal places) 2. Find the value of z if the area under a Standard Normal curve a) to the right of z is 0.3632; b) to the left of z is 0.1131; c) between 0 and z‚ with z > 0‚ is 0.4838; d) between -z and z‚ with z > 0‚ is 0.9500. Ans : a) z = + 0.35 ( find 0.5- 0.3632 = 0.1368 in the normal table) b) z = -1.21 ( find 0.5 – 0.1131 = 0.3869 in the normal table) c ) the area between 0 to z is 0.4838‚ z = 2.14 d) the area to the
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To what extent was there a moral crisis in America in the 1920’s. During the 1920’s‚ there most certainly was moral revolutions in America and traditional values were most certainly being challenged by the newer generation. Of course‚ for example‚ with the introduction of Hollywood‚ reforming attitudes that were towards and adopted to women and the economic boom of the 1920’s this was most certainly going to have an effect of the general American public’s moral values. Whilst these changing attitudes
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NORMAL DISTRIBUTION 1. Find the distribution: a. b. c. d. e. f. following probabilities‚ the random variable Z has standard normal P (0< Z < 1.43) P (0.11 < Z < 1.98) P (-0.39 < Z < 1.22) P (Z < 0.92) P (Z > -1.78) P (Z < -2.08) 2. Determine the areas under the standard normal curve between –z and +z: ♦ z = 0.5 ♦ z = 2.0 Find the two values of z in standard normal distribution so that: P(-z < Z < +z) = 0.84 3. At a university‚ the average height of 500 students of a course is 1.70 m; the standard
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The Metal Injection Moulding process (MIM)‚ considered as a development of the Powder Injection Moulding (PIM)‚ became‚ over the years‚ a competitive manufacturing process for small components‚ offering an alternative to other processes‚ more expensive to create these parts. History of the technology The PIM process was at first developed in the 1930s in the USA. This process was originally intended for ceramics. Then‚ during the Second World War‚ metal powders appeared. The process of Metal
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KATHOLIEKE HOGESCHOOL LIMBURG Departement Industriële Wetenschappen en Technologie Water Assisted Injection Moulding: A Study on the Influence of Melt and Process Parameters on the Residual Wall Thickness and the Occurrence of Part Defects for PA6. Gielen Bjorn‚ Heynickx Lien‚ Van den Brink Dominique‚ Vandersteegen Jochen Water Assisted Injection Moulding: A Study on the Influence of Melt and Process Parameters on the Residual Wall Thickness and the Occurrence of Part Defects for PA6.
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Normal Distribution:- A continuous random variable X is a normal distribution with the parameters mean and variance then the probability function can be written as f(x) = - < x < ‚ - < μ < ‚ σ > 0. When σ2 = 1‚ μ = 0 is called as standard normal. Normal distribution problems and solutions – Formulas: X < μ = 0.5 – Z X > μ = 0.5 + Z X = μ = 0.5 where‚ μ = mean σ = standard deviation X = normal random variable Normal Distribution Problems and Solutions – Example
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Countries around the world are now having safe injection houses. These houses are where drug users can receive illicit drug injections in a safe environment. Currently‚ there are 27 cities around the world with safe injection houses and none of them are in the United States. There are benefits that come with these types of houses‚ but there is still much debate on whether to have more of the safe injection houses. The main concern of safe injection houses is that they are advocating illegal drug
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Investigation: The Stanford prison experiment was originally intended to run for a fortnight. However it lasted only 6 days and was ended earlier than initially planned due to the terrible living conditions and psychological problems that developed as the ‘inmates’ and ‘guards’ interacted.. The experiment was run by Philip Zimbardo‚ Craig Haney‚ David Jaffe‚ and W. Curtis Banks. The test subjects were young male college students that were chosen from 75 volunteers. The volunteers had replied to
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