5. Find the regression equation for predicting weight from height for men age 18-24 in HANESS, based on the following information: average height 70 inches, SD 3 inches average weight 180 pounds, SD 45 pounds, r 0.40
5. Find the regression equation for predicting weight from height for men age 18-24 in HANESS, based on the following information: average height 70 inches, SD 3 inches average weight 180 pounds, SD 45 pounds, r 0.40
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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Question 5

Transcribed Image Text:average midterm score 10,
DD A 10
average final score 55, SD 20, r 0.60
5. Find the regression equation for predicting weight from height for men age 18–24 in HANESS,
based on the following information:
average height 70 inches, SD 3 inches
average weight 180 pounds, SD 45 pounds, r 0.40
6. A box has 10 tickets, numbered 1
the ticket has a number greater than 4 (event A) or if the ticket has an even number (event B).
10. A ticket is drawn at random. The player is a winner if
(a) Find the chances each of A and B happening.
(b) Show that A and B are independent.
(c) Find the chance that a ticket selected at random falls into at least one of the 2 categories:
over 4 or even.
i. Could you simply add the chances of A to the chances of B to get this answer?
ii. Show how the correct answer is derived from the chances of A and the chances of B.
Explain each of the logically correct steps.
7. A die will be rolled 9 times. What is the chance of obtaining exactly three 5's?
8. A fair coin is tossed 100 times. Estimate the chance of getting exactly 50 heads. (Show work.)
9. A simple random sample of 17-year-olds in high school was taken. Only 36.1% of the students in
the sample knew that Chaucer wrote The Canterbury Tales.
for the percentage of all 17-year-olds in high school who
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