W. Watkins

 

Last update: 25-Oct-2014

 


 

 

 

 

Fall 2014:

 

Math 103:

Information Sheet:

XYZ Instructions:

 

 

Math 340:

Information Sheet:

 

Homework Assignments

Due Sep 3: Ch 2: 9, 13, 14, 17

Due Sep 8: Ch 2:

       29 Two additional jurors ..

       37 A businesswoman in Philadelphia …

       41 How many different seven-digit …

       55 A study is to be conducted in a hospital …

       59 Five cards are dealt from …

              a. 3 aces and 2 kings

              b. “full house”

       76 A survey of consumers …10% were

Due Sep 15: Ch 2:

       71 If two events A and B are such that P(A)=.5..

       73 Gregor Mendel was a monk…

       75 Cards are dealt, one at a time, …

       85 If A and B are independent events. Show the A and B(bar) …

       90 Suppose that there is a 1 in 50 chance…

       93 In a game, a participant is given three attempt

Due Sep 22: Ch 2:

       125 A diagnostic test for a disease…

       133 A student answers a multiple-choice examination…

       137 Five identical bowls…

       Ch 3:

       3 A group of four components…

       5 A problem in a test…

       9 In order to verify…

 

Due Sep 29: Ch 3:

       37 In 2003, the average combined SAT

       39 A complex electronic system

       41 A multiple-choice examination

       53 Tay-Sachs disease

       59 Ten motors are packaged

 

Due Oct 6: Ch3:

       127 The number of typing errors…

       131 The number of knots…

       187 Consider the following game…

       193 Two assembly lines I and II have the same

 

OK I got a copy of the 7th edition.  Here’s the assigned homework as I wrote it on the board in class:

 

Oct 20: Ch 3:

       103 A warehouse contains ten printing machines

       105 In southern California, a growing number

       109 Seed are often treated with fungicides

       115 Suppose that a radio contains six transitors

       119 Cards are dealt … all 4 aces if it is known … at least 3 aces?

Ch 4:

       11 Suppose that Y .. density function f(y)=cy, 0<=y<=2

       15 As a measure of intelligence

       21 If, as in Ex…, Y has density function f(y)=(3/2)y^2+y, 0<=y<=1, find mean and variance of Y

 

Oct 27 Ch 4:

       21 Same as above

       31 Daily total solar radiation

       39 If a parachutist lands at a random point…

       51 The cycle time for trucks hauling..

       58 Use Table 4, Appendix 3, to find …. a. P(0<=Z<=1.2), b. …

 

I DON’T HAVE THE 7TH EDITION OF THE TEXTBOOK HOME SO THE FOLLOWING

IS A LIST OF HOMEWORK PROBLEMS FROM THE 6TH ED AS BEST I CAN REMEMBER

WHICH WERE ASSIGNED.

 

Ch4:  As a measure of intelligence, mice … f(y)=b/y^2 …

       Suppose that Y has density function f(y)=ky(1-y), 0 <=y<=1.

       A parachutist lands

       A telephone call arrived at a switchboard…

       The cycle time for trucks hauling concrete…

       Use Table 4, Appendix III to find the following…for a standard normal r.v.

a.    P(0<=Z<=1.2)

b.  

Find the value of z0 such that P(Z>z0)=.5 

A company that manufacture and bottles apple juice..

The grade point averages of a large population of college students … with mean 2.4 and standard deviation 0.8.  What fraction … grade point average in excess of 3.0?

 

 

Exam 2 on Oct 29 will cover 3.5 (geometric), 3.7 (hypergeometric), 3.8 (Poisson), 4.1-4.5.  I will supply formulas for the probability and density functions for these random variables and the Z-table.