A particular part that is used as an injection device is sold in lots of 10. The producer deems a lotacceptable if no more than one defective is in the lot. A sampling plan involves random samplingand testing 3 of the parts out of 10. If none of the 3 is defective, the lot is accepted. Comment onthe utility of this plan.Determine the correct Excel formula.a. HYPGEOM.DIST(0,2,3,10, FALSE)O b. NONEO c. HYPGEOM.DIST(2,0,10,3, FALSE)O d. HYPGEOM.DIST(0,2,3,10, TRUE)

Let Sample_s be the number of successes in the sample = 0. Let Number_sample be size of the sample…

Answered: A particular part that is used as an…

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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Find the sample size required to achieve the given margin of error. Round your answer to the nearest whole number.
3) A principal of a local high school wants to select 30 students from a student body of 600 students. He wants the proportion of students in each grade level to be the same in the sample as it is in the entire school. Describe how he could make a stratified sample if there are 100 freshmen, 160 sophomores, 200 juniors, and 140 seniors. Show all work. Write final answer in sentence form. o
A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective. Step 1 of 2: Suppose a sample of 1875 floppy disks is drawn. Of these disks, 1594 were not defective. Using the data, estimate the proportion of disks which are defective. Enter your answer as a fraction or a decimal number rounded to three decimal places. Answer How to enter your answer (opens in new window) Tables Keypad
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 95% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 33% of air passengers prefer an aisle seat. n3= (Round up to the nearest integer.)
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. (Round up to the nearest integer.)
Of a graduate school that has 2000 business majors, 500 finance majors and 300 biology majors, a researcher starts at the least-numbered student ID and continues until she has collected the names of 200 business students, 50 finance students and 30 biology students. What type of sampling technique does this represent? Explain your reasoning.
To collect data about the number of students in your high school who have a part time job, which of the following methods is most likely to lead to a sample that is the most representative of the students in your school? Interview all the girls in the school. Ask the principal. Interview all the students in 9th grade. Assign each student in the school a number and randomly select students to be interviewed. Interview all the students who are on the sports teams in the school.
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Boris, Priti, and Sajid are due to attend a meeting. A curious observer records their actual attendance. Abbreviating the names by initials, which of the following should be written down as the sample space for the experiment? Select one: a. {0, {B},{P}, {S}, {B, P}, {B, S}, {P, S} O b. {B, P, S} O c. None of the other choices d. {B, P, S, BP, PB, BS, SB, PS, SP, BPS O e. {X, B, P, S} r

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