# LTEll 94%cricket11:07 AMChapter 7: Central Limit The ...XEach sweat shop worker at a computerfactory can put together 4.4 computers perhour on average with a standard deviationof 0.9 computers. 18 workers are randomlyselected to work the next shift at thefactory. Round all answers to 4 decimalplaces where possible and assume a normaldistributiona. What is the distribution of X? X ~N(4.4b. What is the distribution of ? ^N(4.40.90.2123C. What is the distribution of x?N(~ Тd. If one randomly selected worker isobserved, find the probability that thisworker will put together between 4.1and 4.2 computers perhour.0426e. For the 18 workers, find the probabilitythat their average number ofcomputers put together per hour isbetween 4.1 and 4.2.f. Find the probability that a 18 personshift will put together between 75.6and 79.2 computers perhour.part e) and f), is the assumption ofForg.normal necessary?h. A sticker that says "Great Dedication"YesNo LTEal 94%cricket11:07 AMXChapter 7: Central Limit The...d. WIldT IS tne UIstribuuOnΤΥΥN(4.40.9b. What is the distribution of a? i ~N(4.40.2123C. What is the distribution of 3х?Σε-Μ(|x)d. If one randomly selected worker isobserved, find the probability that thisworker will put together between 4.1and 4.2 computers perhour..0426e. For the 18 workers, find the probabilitythat their average number ofcomputers put together per hour isbetween 4.1 and 4.2.f. Find the probability that a 18 personshift will put together between 75.6and 79.2 computers per hourg. For part e) and f), is the assumption ofnormal necessary? Noh. A sticker that says "Great Dedication"will be given to the groups of 18workers who have the top 10%productivity. What is the least totalnumber of computers produced by agroup that receives a sticker?Yes|«minutes (round to thenearest computer)

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2 views help_outlineImage TranscriptioncloseLTE ll 94% cricket 11:07 AM Chapter 7: Central Limit The ... X Each sweat shop worker at a computer factory can put together 4.4 computers per hour on average with a standard deviation of 0.9 computers. 18 workers are randomly selected to work the next shift at the factory. Round all answers to 4 decimal places where possible and assume a normal distribution a. What is the distribution of X? X ~ N(4.4 b. What is the distribution of ? ^ N(4.4 0.9 0.2123 C. What is the distribution of x? N( ~ Т d. If one randomly selected worker is observed, find the probability that this worker will put together between 4.1 and 4.2 computers per hour .0426 e. For the 18 workers, find the probability that their average number of computers put together per hour is between 4.1 and 4.2. f. Find the probability that a 18 person shift will put together between 75.6 and 79.2 computers per hour. part e) and f), is the assumption of For g. normal necessary? h. A sticker that says "Great Dedication" Yes No fullscreen help_outlineImage TranscriptioncloseLTE al 94% cricket 11:07 AM X Chapter 7: Central Limit The... d. WIldT IS tne UIstribuuOn ΤΥΥ N(4.4 0.9 b. What is the distribution of a? i ~ N(4.4 0.2123 C. What is the distribution of 3 х? Σε-Μ( |x) d. If one randomly selected worker is observed, find the probability that this worker will put together between 4.1 and 4.2 computers per hour. .0426 e. For the 18 workers, find the probability that their average number of computers put together per hour is between 4.1 and 4.2. f. Find the probability that a 18 person shift will put together between 75.6 and 79.2 computers per hour g. For part e) and f), is the assumption of normal necessary? No h. A sticker that says "Great Dedication" will be given to the groups of 18 workers who have the top 10% productivity. What is the least total number of computers produced by a group that receives a sticker? Yes |«minutes (round to the nearest computer) fullscreen
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