Each sweat shop worker at a computer factory can put together 5 computers per hour on average with a standard deviation of 1 computers. 12 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 b. What is the distribution of a? - N c. What is the distribution of æ? >x - N d. If one randomly selected worker is observed, find the probability that this worker will put together between 5.1 and 5.3 computers per hour. e. For the 12 workers, find the probability that their average number of computers put together per hour is between 5.1 and 5.3. f. Find the probability that a 12 person shift will put together between 61.2 and 66 computers per hour. g. For part e) and f), is the assumption of normal necessary? ONo Yes h. A sticker that says "Great Dedication" will be given to the groups of 12 workers who have the top 15% productivity. What is the least total number of computers produced by a group that receives a sticker? minutes (round to the nearest computer)

Each sweat shop worker at a computer factory can put together 5 computers per hour on average with a standard deviation of 1 computers. 12 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 b. What is the distribution of a? - N c. What is the distribution of æ? >x - N d. If one randomly selected worker is observed, find the probability that this worker will put together between 5.1 and 5.3 computers per hour. e. For the 12 workers, find the probability that their average number of computers put together per hour is between 5.1 and 5.3. f. Find the probability that a 12 person shift will put together between 61.2 and 66 computers per hour. g. For part e) and f), is the assumption of normal necessary? ONo Yes h. A sticker that says "Great Dedication" will be given to the groups of 12 workers who have the top 15% productivity. What is the least total number of computers produced by a group that receives a sticker? minutes (round to the nearest computer)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Please a, b and c
The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 64 minutes and a standard deviation of 16 minutes. Suppose one person at the hot springs is randomly chosen. Let X = the amount of time that person spent at Grover Hot Springs . Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the probability that a randomly selected person at the hot springs stays longer then 79 minutes. c. The park service is considering offering a discount for the 8% of their patrons who spend the least time at the hot springs. What is the longest amount of time a patron can spend at the hot springs and still receive the discount? minutes. d. Find the Inter Quartile Range (IQR) for time spent at the hot springs. Q1: minutes Q3: minutes IQR: minutes
Given the normal distribution represented by X ~ N(81.8, 3.4). Find the 70th percentile to the nearest tenth. a.85.7 b.87.7 c.83.6 d.85.6
need help please, thank you!
The average number of words in a romance novel is 64,159 and the standard deviation is 17,401. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible.a. What is the distribution of X? X ~ N(__________ , ___________) b. Find the proportion of all novels that are between 50,238 and 58,939 words. _______________c. The 85th percentile for novels is_____________________ words. (Round to the nearest word)d. The middle 60% of romance novels have from ______________ words to ________________words. (Round to the nearest word)
The weight of all cans of coffee has a standard deviation of 0.76 ounces. A sample of 48 cans of coffee is taken study. Which of the following best describes the distribution of x¯?A. The distribution of x¯ is normal becuase it is always normalB. The distribution of x¯ may not be approximately normal because n = 48C. The distribution of x¯ is approximately normal becuase n = 48D. The distribution of x¯ is not normal because the population is normalE. None of the above
10. The following dot plot shoes the test scores for 10 students on a unit exam. Which shape most accurately describes these data? A. Skewed left B. Skewed right C. Normal Distribution Test Resuits D. Constant + 50 60 70 80 100 Test Score LEGO xx+8 XXxx-
The average amount of money spent for lunch per person in the college cafeteria is $6.96 and the standard deviation is $2.49. Suppose that 7 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N b. What is the distribution of ? ī - N( c. For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $5.8484 and $6.599. d. For the group of 7 patrons, find the probability that the average lunch cost is between $5.8484 and $6.599. e. For part d), is the assumption that the distribution is normal necessary? O NoO Yes
D, e, f and h
The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 60 minutes and a standard deviation of 14 minutes. Suppose one person at the hot springs is randomly chosen. Let X = the amount of time that person spent at Grover Hot Springs . Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the probability that a randomly selected person at the hot springs stays longer then 81 minutes. c. The park service is considering offering a discount for the 7% of their patrons who spend the least time at the hot springs. What is the longest amount of time a patron can spend at the hot springs and still receive the discount? minutes. d. Find the Inter Quartile Range (IQR) for time spent at the hot springs. Q1: minutes Q3: minutes IQR: minutes
The avg. … (please complete only part c and d the rest is completed)
The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 64 minutes and a standard deviation of 14 minutes. Suppose one person at the hot springs is randomly chosen. Let X = the amount of time that person spent at Grover Hot Springs . Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the probability that a randomly selected person at the hot springs stays longer then 57 minutes. c. The park service is considering offering a discount for the 7% of their patrons who spend the least time at the hot springs. What is the longest amount of time a patron can spend at the hot springs and still receive the discount? minutes. d. Find the Inter Quartile Range (IQR) for time spent at the hot springs. Q1: minutes Q3: minutes IQR: minutes