Answer:
The probability that exactly one switch is good is

Step-by-step explanation:
The probability that a switch is defective is:

The probability that a switch is not defective is

Therefore, if two switches are selected, the probability that exactly 1 is good is:



Step-by-step explanation:
R=2m
A=πr²
A = 3.142*2*2
=12.568 m2
Capacity is the maximum that the object can hold.
Fluid Ounce is a U.S Customary Unit Measurement for liquid.
Hope it helps! :)
-13.213203440000000000000
Answer:
Simplify the expressions inside parentheses ( ), brackets [ ], braces { } and fractions bars.
Evaluate all powers.
Do all multiplications and divisions from left to right.
Do all additions and subtractions from left to right.