STATISTICS 224        Assignment 7        Due  Mar. 26, 2004

Exercises from the textbook, "Probability & Statistics for Engineers"
by R. Johnson

From Assignment 6,
Section 5.12:  5.96, 5.97(a)


Section 6.2:  6.2, 6.3, 6.7(a), 6.8, 6.9, 6.10, 6.11(a), 6.14(b),
6.15, 6.16, 6.17

Section 6.4:  6.21 (calculate value of t = ( Xbar - 20 ) / ( S / sqrt{n} )
and compare to relevant t-distribution), 6.22 (similar to 6.21),
6.24 (represent the probability in terms of an appropriate chi-square
distribution)