# Math 1320 Mathematics in the Modern World Homework

## Spring 2005

### Reading assignment

Read section 7.7 on interpreting (and mis-interpreting!) data.

### Homework assignments

*1.4:* 5, 6, 9, 14.

*1.4:* 8, 11.

*2.1:* II.6.

*2.1:* I.4, II.7, 12, III.19.

*2.2:* II.6, 7, 10, III.29.

*2.3:* II.7, 12.

*2.4:* I.4, II.6, 11, 24.

*2.6:* II.6, 8, 22.

*2.7:* I.4, II.9, 20.

*3.1:* II.8, 12, III.19.

*3.2:* II.6, 8, 20.

*3.3:* II.12.

*4.1:* II.6, 12.

*4.2:* II.7, 9, 12.

*4.5:* I.5, II.8, 12.

*5.3:* II.7, 9.

*4.7:* II.6, 8, 13.

*7.1:* II.8, 9, 10, 12.

*7.2:* II.7, 10, 13, 14, 18, 21.

*7.3:* II.6, 11, 12, 22, 25, III.30.

*recommended only; we will discuss on Wed. 27 Apr.*

**7.6:** II.10.

**7.7:** II.7, 12, 14, 16-19.

### Writing assignments

*Ch. 1:* Carefully describe your approaches and
solution(s), or attempts at solution(s), to any one of the nine
stories in the first chapter. The story can be one that we discussed
in class or not, as you like. You may include ideas you got from
other people in class, as long as you fully acknowledge that. The emphasis
on this first assignment is your description of your
approaches.

*2.3:* In your own words, explain why there are
infinitely many primes. Your explanation should make sense to someone
not in this class.

*2.7:* III.33, 34.

*3.3:* II.14.

*4.7:* III.16. Explain the
reasoning behind your answers so that a classmate would understand it.

**7.3:** Explain the ideas of coincidence and the Infinite Monkey
Theorem in your own words, so that a non-mathematical friend would
understand. Include another example that conveys the same ideas. *Due Mon. 25 Apr.*