PBHL-B300 Homework #7
Due Wednesday Oct 28, 2015
Note: For all hypothesis testing problems, please make sure that you write the hypotheses, test
statistic, p-value, and conclusions in terms of the problem.
For problems that you complete using SPSS, please

Extra Practice with Normal Distribution Calculations
There are two major tests of readiness for college, the ACT and the SAT. ACT scores
are reported on a scale from 1 to 36. The distribution of ACT scores for more than 1
million students in a recent high

Homework Section 12.2
1. Mrs. Hanrahans precalculus class collected data on the length (in centimeters) of a
pendulum and the time (in seconds) the pendulum took to complete one back-andforth swing (called its period). Then, they did two separate regressi

The following table is a key to help you track the changes that have been made in the CHM115L
curriculum. The New Assignment is the assignment that is listed on the updated lab schedule. The Old
Assignment is the assignment that appears in the Loud Cloud

Chapter 12 Homework Key
23.
P4: 6.0 X 10-4 mol/L s; H2: 3.6 X 10-3 mol/L s
29.
a. rate = k[NO]2[Cl2]
b. 1.8 X 102 L2/mol2 min
31.
a. rate = k[NOCl]2
b. 6.6 X 10-29 cm3/molecules s
c. 4.0 X 10-8 L/mols
33.
a. rate = k[I-][OCl-]
b. 3.7 L/mols
c. 0.083 mol/L