A community college wants to collect student opinions on campus technology. Eachstudent is classified according to their educational goals. There are 3000 UniversityTransfer students, 1000 Career Training students, 800 Basic Education students, and 200Continuing Education students, for a total of 5000 students in the school.a. Why might the college want to use a stratified random sample?b. The college asks you to select a stratified random sample of 200 students. Howmany of each type of student will you select?

Stratified sampling: In the stratified sampling, the units in the population are divided into…

Answered: A community college wants to collect…

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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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 4.5 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 35% of air passengers prefer an aisle seat. n = (Round up to the nearest integer.) ? Enter your answer in each of the answer boxes, MacBook DII DD 20 000 000 F10 F11 F12 esc F5 F6 F7 F8 F9 F1 F2 F3 F4 & ( ) ! @ # 1 2 4 5 6. 7 8 { Q W E R Y U P tab %3D K L %24
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In provincial-level monitoring in farms, will you do random sampling, representative sampling, etc. How many samples do you think will be enough for each level. What criteria will you use for selection. How will you conduct the sampling and monitoring.
A senior high school teacher is interested in knowing the average number of hours a teacher works in a day. She plans to gather data by choosing every 2n a. Simple Random Sampling b. Systematic Sampling c. Stratified Sampling d. Cluster Sampling d teacher in the school's master list.
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 99% confident that the sample percentage is within 1.5 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. n= (Round up to the nearest integer.) B- Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. n = (Round up to the nearest integer.)
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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. n = (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 34% of air passengers prefer an aisle seat. n = IDound un to the nearest integer)
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