An airline would like information on which seat is preferred by customers. The airline assumes the majority of customers prefer the window seat, and is looking for evidence to support that claim. The results of a simple random sample of customer seat preference is shown below. (Images included) 1. Identify population parameter. The number of customers in the sample who prefer a window seat The number of customers sampled The proportion of all customers in the sample who prefer a window seat The proportion of all customers who prefer a window seat 2. What condition for using a z-distribution is met? A simple random sample of more than 30 customers was taken The sample taken was a simple random sample The true population portion is unknown 3. What is the level of significance? 4. What is the null hypothesis H0? p < 0.50 p = 0.50 p > 0.50 p not equal to 0.50 5. What is the alternative hypothesis Ha? p < 0.50 p = 0.50 p > 0.50 p not equal to 0.50 6. Should H0 be rejected or does H0 fail to be rejected? 7. What conclusion can be drawn from the data? Insufficient evidence exists to conclude that the majority of customers prefer the window seat. Sufficient evidence exists to conclude that the majority of customers prefer the window seat.

Name: An airline would like information on which seat is preferred by custom
Uploaded: 2024-03-20T07:07:12.000Z
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Description: An airline would like information on which seat is preferred by customers. The airline assumes the majority of customers prefer the window seat, and is looking for evidence to support that claim. The results of a simple random sample of customer seat

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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An airline would like information on which seat is preferred by customers. The airline assumes the majority of customers prefer the window seat, and is looking for evidence to support that claim. The results of a simple random sample of customer seat preference is shown below. (Images included)

1. Identify population parameter.

The number of customers in the sample who prefer a window seat
The number of customers sampled
The proportion of all customers in the sample who prefer a window seat
The proportion of all customers who prefer a window seat

2. What condition for using a z-distribution is met?

A simple random sample of more than 30 customers was taken
The sample taken was a simple random sample
The true population portion is unknown

3. What is the level of significance?

4. What is the null hypothesis H0?

p < 0.50
p = 0.50
p > 0.50
p not equal to 0.50

5. What is the alternative hypothesis Ha?

p < 0.50
p = 0.50
p > 0.50
p not equal to 0.50

6. Should H0 be rejected or does H0 fail to be rejected?

7. What conclusion can be drawn from the data?

Insufficient evidence exists to conclude that the majority of customers prefer the window seat.
Sufficient evidence exists to conclude that the majority of customers prefer the window seat.

Airline customer sample
Identify the population parameter.
window seat
196
Observations
350
Pick
Confidence Level
0.95
Critical value
1.64
What condition for using a z-distribution is met?
test statistic (2)
2.24
Pick
p-value
0.0124
What is the level of significance? Ex: 0.12
What is the null hypothesis Ho?
Pick
What is the alternative hypothesis H,? Pick
Should Ho be rejected or does Ho fail to be rejected? Pick
What conclusion can be drawn from the data?
Pick
>
>

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