Chapter 8.1, Problem 60E

To determine

The event $H\cup Z^{\prime }$ in words and calculate the value of $n\left(H\cup Z^{\prime }\right)$ where the table represents the stock market performance of industries from five sectors.

	Increased (X)	Decreased(Y)	Unchanged (Z)	Totals
Financials (F)	$3$	$4$	$1$	$8$
Manufacturing (M)	$8$	$3$	$3$	$14$
Information technology (T)	$6$	$1$	$0$	$7$
Health Care (H)	$4$	$1$	$1$	$6$
Utilities (U)	$3$	$1$	$1$	$5$
Totals	$24$	$10$	$6$	$40$