Determine if using the z distribution/ t distribution in each of the following problems. 1. A 98% confidence interval for the mean of a population where the sample of 42 students had a mean of 30 and standard deviation of 18. [Select] 2. A 98% confidence interval for a mean of a population where the sample of 42 students had a mean of 30. It is known that the standard deviation of all students is 18. [Select] 3. A 98% confidence interval for the data: 25, 38, 62, 45, 61, 38, 21, 42, 31, 35 [Select] 4. A 92% confidence interval for the mean height of people in a certain town. It is known that the standard deviat for the height of people from that area is 5 inches. 82 people were measured and the mean height was 68 inch [Select] 5. A 92% confidence interval for the mean height of people in a certain town. 82 people were measured and the mean height was 68 inches with a standard deviation of 5 inches. [Select]
Determine if using the z distribution/ t distribution in each of the following problems. 1. A 98% confidence interval for the mean of a population where the sample of 42 students had a mean of 30 and standard deviation of 18. [Select] 2. A 98% confidence interval for a mean of a population where the sample of 42 students had a mean of 30. It is known that the standard deviation of all students is 18. [Select] 3. A 98% confidence interval for the data: 25, 38, 62, 45, 61, 38, 21, 42, 31, 35 [Select] 4. A 92% confidence interval for the mean height of people in a certain town. It is known that the standard deviat for the height of people from that area is 5 inches. 82 people were measured and the mean height was 68 inch [Select] 5. A 92% confidence interval for the mean height of people in a certain town. 82 people were measured and the mean height was 68 inches with a standard deviation of 5 inches. [Select]
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![Determine if using the z distribution/ t distribution in each of the following problems.
1. A 98% confidence interval for the mean of a population where the sample of 42 students had a mean of 30 and a
standard deviation of 18. [Select]
2. A 98% confidence interval for a mean of a population where the sample of 42 students had a mean of 30. It is
known that the standard deviation of all students is 18. [Select]
3. A 98% confidence interval for the data: 25, 38, 62, 45, 61, 38, 21, 42, 31, 35 [Select]
4. A 92% confidence interval for the mean height of people in a certain town. It is known that the standard deviation
for the height of people from that area is 5 inches. 82 people were measured and the mean height was 68 inches.
[Select]
5. A 92% confidence interval for the mean height of people in a certain town. 82 people were measured and the
mean height was 68 inches with a standard deviation of 5 inches.
[Select]
[Select]
Z
t](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F23ef6a99-fa6e-4fe5-8102-00507e9eae31%2Feffcd274-7f6f-4863-895d-b227d439c198%2Fxjmyzzq_processed.png&w=3840&q=75)
Transcribed Image Text:Determine if using the z distribution/ t distribution in each of the following problems.
1. A 98% confidence interval for the mean of a population where the sample of 42 students had a mean of 30 and a
standard deviation of 18. [Select]
2. A 98% confidence interval for a mean of a population where the sample of 42 students had a mean of 30. It is
known that the standard deviation of all students is 18. [Select]
3. A 98% confidence interval for the data: 25, 38, 62, 45, 61, 38, 21, 42, 31, 35 [Select]
4. A 92% confidence interval for the mean height of people in a certain town. It is known that the standard deviation
for the height of people from that area is 5 inches. 82 people were measured and the mean height was 68 inches.
[Select]
5. A 92% confidence interval for the mean height of people in a certain town. 82 people were measured and the
mean height was 68 inches with a standard deviation of 5 inches.
[Select]
[Select]
Z
t
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