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:



Answer:
$0.26
Step-by-step explanation:
12/46=.26
Answer:
B.
Step-by-step explanation:
You have to use the number in the variable to figure out if the number multiplied by 3.5 goes over 20 dollars. The highest you can go without going over 20 dollars is 5 notebooks
Answer:
2.9
Step-by-step explanation:
3.6 - 0.7 = 2.9
Answer:
a
Step-by-step explanation:
the answer is a as proven by the othee options being false