A random digit generator on a computer is activated three times consecutively to simulate a random three-digit number.
(a) How many random three-digit numbers are possible?
(b) How many numbers will begin with the digit 2?
(c) How many numbers will end with the digit 9?
(d) How many numbers will begin with the digit 2 and end with the digit 9?
(e) What is the probability that a randomly formed number ends with 9 given that it begins with a 2?
(a) 900
(b) 100
(c) 90
(d) 10
(e) 1/10
You might also like to view...
_____ is one of the seven factors upon which proper lawn maintenance is dependent
A) ?Mowing to the proper height B) ?Watering properly C) Providing the proper amount of light D) ?All of the above
Data from a 6-ft by 6-ft inductive loop detector collected during a 30-second time period indicate that the mean speed of traffic is 50 mi/h among the 16 vehicles counted. Assume an average vehicle length of 19 ft. Determine the density and occupancy.
What will be an ideal response?
Most of the growth of a bone takes place at the middle of the bone
Indicate whether the statement is true or false
Most conventional (mineral) oil is made from what API group?
A) Group I B) Group II C) Group IV or V D) Group III