(a) What type of shape did you assume for the sampling distribution for sample mean and on what ground? Write down two properties of the type of distribution you assumed. (b) What is the probability that the mean time spent working per week for this sample of students will be between 18 hours and 21 hours? (c) Show both the population distribution and sampling distribution of sample mean in a single graph.
(a) What type of shape did you assume for the sampling distribution for sample mean and on what ground? Write down two properties of the type of distribution you assumed. (b) What is the probability that the mean time spent working per week for this sample of students will be between 18 hours and 21 hours? (c) Show both the population distribution and sampling distribution of sample mean in a single graph.
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
Introduction to Statistics (Bus-172)
![Q2. Suppose that the distribution of the time spent working per week by all university students of
Dhaka city has a skewed-to-the-left distribution with a mean of 20 hours and a standard
deviation of 4.6 hours. Suppose a random sample of 36 university students is selected.
(a) What type of shape did you assume for the sampling distribution for sample mean and on
what ground? Write down two properties of the type of distribution you assumed.
(b) What is the probability that the mean time spent working per week for this sample of
students will be between 18 hours and 21 hours?
(c) Show both the population distribution and sampling distribution of sample mean in a single
graph.
(d) If one university student is randomly chosen from all such students, what is the probability
that the student will work at least 24 hours per week?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9405d880-be2e-469f-a22d-890ce1869c57%2F576708af-1ebe-45a2-8a26-7541a08e765e%2F5dgw7q2nd_processed.png&w=3840&q=75)
Transcribed Image Text:Q2. Suppose that the distribution of the time spent working per week by all university students of
Dhaka city has a skewed-to-the-left distribution with a mean of 20 hours and a standard
deviation of 4.6 hours. Suppose a random sample of 36 university students is selected.
(a) What type of shape did you assume for the sampling distribution for sample mean and on
what ground? Write down two properties of the type of distribution you assumed.
(b) What is the probability that the mean time spent working per week for this sample of
students will be between 18 hours and 21 hours?
(c) Show both the population distribution and sampling distribution of sample mean in a single
graph.
(d) If one university student is randomly chosen from all such students, what is the probability
that the student will work at least 24 hours per week?
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