# simple assignment

*label*Mathematics

*timer*Asked: Feb 7th, 2019

*account_balance_wallet*$15

### Question Description

Note1: Print off a copy of this Microsoft Word file and answer each question directly on your hard paper copy of these pages.

Note2: Hand in your answer to Q#1, Q#2, and Q#3 only.

Note 3: This assignment does NOT cover all the material that you are responsible for knowing in this course. You are, of course, responsible for the material covered in all readings, lectures, assignments, and practice problems

**please use my Formula table.**

### Unformatted Attachment Preview

Purchase answer to see full attachment

## Tutor Answer

See attached

MGSC2207 Winter 2019

MGSC2207

ASSIGNMENT #4

due 11:00 am 8 Feb 2019

nd

(Assignment drop boxes Loyola 2 floor)

Section _________________________________________

Name (print) ____________________________________

Signature _______________________________________

Student ID# _____________________________________

Note1: Print off a copy of this Microsoft Word file and answer each question directly on your hard

paper copy of these pages.

Note2: Hand in your answer to Q#1, Q#2, and Q#3 only.

Note 3: This assignment does NOT cover all the material that you are responsible for knowing in this

course. You are, of course, responsible for the material covered in all readings, lectures,

assignments, and practice problems (on the P: drive).

Total marks for this assignment = 38

1. A sample survey of 54 discount brokers showed that the mean price charged for a trade of

100 shares at $50 per share was $33.77 and a standard deviation of $15.

a) Develop a 95% confidence interval for the mean price charged by discount brokers for

a trade of 100 shares at $50 per share.

6 marks

Confidence interval = sample mean ± z critical * σ/√𝑛

Z critical at 95% confidence level = 1.96

Confidence interval = 33.77 ± 1.96 * 15/√54

=33.77 ± 4

= (29.77, 37.77)

b) Explain what the interval you found tells...

*flag*Report DMCA

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors