In Samplinga large number of cho colatecake manufactured by a machine,the mean number ofdefectivechocolate cake in a So mpleOf 30 is 3such a sample. How would be0CH Of 1000manyexpected to contain at Jeast3 defective chocotate cakes

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Answered: In Sampling a large number of chocolate…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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4) Which of these samples would have the smallest standard deviation? a. 101, 92, 84, 131 b. -25, -10, -19, -3 с. 15, 9, 2, 21 d. 190, 187, 189, 192
17.) What is the skew of the following data set X = [4; 5; 5; 6]?
2. Dr. Xyz claims that the average salary of workers in Jones is P35,000. A random sample of 100 workers are found that their mean salary is P40,000. H, H,: EXPLANATION :
3) The lengths of a certain type of North Atlantic croaker fish are normally distributed. A sample of 1400 fish were collected and x = 10 inches and s= 2 inches. About how many fish will be between 8 and 14 inches in length? Home/ AX 28 10 en below 11 20 n 22 12 17 25 1, deviation Sx. 2) Sample ACT scores for a particular iation of 2.75 inches. What percentage of women
The mean heignt Of male College Studen ts ina large city is 68 Inches and the Stander d deviotion IS 5 Inches. What heignt Would a male College Student must have lo order for the Students heignt to be the cutoff point for the 9sth percent1le ? (what is tne lowest heagnt n the top 5 %?)
In a city with three high schools, all the ninth graders took a Standardized Test, with these results: Number of ninth graders (Frequency) Mean Test Score High School Glenwood 82 262 Central 92 311 Lincoln 67 168 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was the average of 82, 92, and 67, whic incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place 80.3. Of course, that is Mean of all ninth grader's scores *
Please answer very soon
13. The weights of 7 boys and 13 girls were measured. It was found that the mean wight of the boys was 58.1 kg and that of the girls was 62.7 kg. What was the mean weight of the whole group?
8. This question requires you to work z score problems with the sampling distribution of means. For each problem, begin by computing the standard error of the mean, using the formula: OM Then make two diagrams of the problem-one in terms of the actual scores, and one in terms of the z scores; mark the area under investigation on each curve. Show calculation of the appropriate z scores. List the line(s) from the z score table that you use to answer the question. Provide a verbal answer to each question. a. Assume you have a sampling distribution of means of samples of size n=16 from a population distribution in which u = 46 and o = 36. What proportion of sample means fall above M = 48? b. Assume you have a sampling distribution of means of samples of size n=25 from a population distribution in which u = 100 and o = 15. What proportion of sample means fall above M = 96? c. Assume you have a sampling distribution of means of samples of size n=49 from a population distribution in which u =…
. A research report from an independent-measures studystates that there are significant differences betweentreatments, F(2, 36) = 3.45, p < .05.a. How many treatment conditions were compared inthe study?b. What was the total number of participants in thestudy?
9. A researcher estimates that the average height of the buildings of 30 or more stories in a large city is at least 700 feet. A random sample of 10 buildings is selected, and the heights in feet are shown. At a = 0.025, is there enough evidence to reject the claim? 485 511 841 725 615 520 535 635 616 582

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In Sampling a large number of chocolate cake manufactured by a machine, the mean humber of defective chocolate cake in a Somple Of 30is 3 OCH Of To00 such a sample. How would be many expected to contain at Jea St 3 defective chocolate cakes