are lifted at a time. Compute the probability of an accident. [0.1587] 3. A soft –drink vending machine is set so that the amount of drink dispensed is a random variable with a mean of 200 milliliters and a standard deviation of 15 milliliters. What is the probability that the mean amount dispensed in a random sample of size 36 is at least 204 milliliters? [0.0548] 4. An automatic machine in a manufacturing process is operating properly if the lengths of an important
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Simple Random Sampling is done when every individual subject in the population has an equal chance of being selected for the sample‚ without any bias (Explorable). For example‚ if a researcher wants to represent the population as a whole‚ they can pick random numbers or names out a hat or use a program to randomly choose names so the information is not biased. Stratified Sampling is performed by‚ dividing the population into at least two (or more) groups or sections‚ which share certain characteristics
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ACCEPTANCE SAMPLING SUBMITTED BY VEENA M ANU SANKAR NK VIPIN R ABSTRACT Acceptance sampling may be applied where large quantizes of similar items or large batches of material being bought or are being bought or are being transferred from one part of organization to another. Unlike statistical process control where the purpose is to check production as it proceeds‚ acceptance sampling is applied to large batches of goods which have already been produced. Acceptance sampling is a method
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binomial distribution for the random variable X? Give reasons for your answer in each case. (a) An auto manufacturer chooses one car from each hour’s production for a detailed quality inspection. One variable recorded is the count X of finish defects (dimples‚ ripples‚ etc.) in the car’s paint. No: There is no fixed n (i.e.‚ there is no definite upper limit on the number of defects). (b) The pool of potential jurors for a murder case contains 100 persons chosen at random from the adult residents
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Random Acts of Kindness For our Random act of Kindness project we decided to surprise a teacher with flowers‚ candy‚ and pictures of her favorite animals. We chose Mrs. Adams because we all like her as a teacher and she was recently going through a hard time. I brought her some flowers‚ purchased some of favorite candy‚ and drew pictures of her favorite animals. During advisory we placed the gifts right by her door and knocked on her door. We then ran away and left the gifts as a surprise. Who
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An act of random kindness Introduction A random act of kindness is an allegedly selfless act carried out by a person or persons wishing to either give a hand or cheer up an individual or in some cases it extends to animals. There will commonly be no reason other than to make people smile‚ or be happier. Either spontaneous or premeditated‚ random acts of kindness are encouraged by various communities. In 1982‚ California peace activist Ann Herbert allegedly roughly wrote on a placemat in a restaurant
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During one of my Online Facebook sessions‚ I was watching a video on random acts of kindness called “Validation”‚ it reminded me that performing random acts of kindness like simply complimenting people is something that I need to incorporate more into my life on a regular basis. I actually had a warm feeling inside knowing that many people have done so many kind things to me. I too have done many kind things to others; but‚ I had still not decided to incorporate this small thing into my life. I immediately
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Question 1: discuss any five (5) common sampling techniques used in business research. Support you answer with relevant examples. Simple random sampling: The simple random sampling is one of the most widely-used random sampling method. The term “random” here does not mean a haphazard selection as many people think. The “random” in this method means each member of the population has equal opportunities being chosen be subject and no one in the identified population who could not be selected
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Lecture Illustration – Random Digits Table Simple Random Sampling can be conducted by two methods: i) Drawing from Hats ii) Random Digits Table Refer to your Random Digits Table in Appendix. Illustration 1 Suppose we have a population of 30 students from Curtin University Foundation Program: |Allen |Connie |Diaz |Howard |Law |Piper | |Andres |Cowel |Dunst
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RANDOM ACTS OF KINDNESS Day of the week Target Act Monday Someone in my homeroom I helped a person in my homeroom by telling him that his bag was wide open. When he realized that his bag was open‚ he had gotten a smile on his face and he did give me a smile for helping him. I also felt really different and positive because after helping anyone makes you feel that you are a good person and that negativity is something that doesn’t really suit you. Tuesday A family member I washed the dishes
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