In its report to Congress in 1990, the U.S. Fish and Wildlife Service estimated that more than _____% of all the wetlands in the lower 48 states had been destroyed
a. 75
b. 50
c. 80
d. 25
d
You might also like to view...
A box contains four 75 W lightbulbs, three 60 W lightbulbs, and three burned-out lightbulbs. Two bulbs are selected at random from the box. Let X represent the number of 75 W bulbs selected, and let Y represent the number of 60 W bulbs selected.
a. Find the joint probability mass function of X and Y.
b. Find 
.
c. Find 
.
d. Find 
.
e. Find 
.
f. Find Cov(X,Y).
g. Find 
.
The service facility has a sales average of 2 flat rate hour per vehicle. There are 5 hours left in tomorrow schedule. Using the sales average, the number of vehicles a service consultant should schedule, being sure to avoid overcapacity is:
A. 1 B. 2 C. 3 D. 4
A series circuit has three resistances: 10, 2, and 5 ohms. Circuit voltage is 14.5 volts. What is the total circuit resistance?
Fill in the blank(s) with the appropriate word(s).
Windchill factor is the cooling effect produced by a combination of temperature, wind, velocity, and/or air movement.