The relationship between variance and standard deviation is :
Standard deviation = sqrt (variance),
Variance = standard deviation^2.
hope this help
Answer:
3
Step-by-step explanation:
Answer:
A, or 
Step-by-step explanation:
Step two would've been
Which equals
Argument
The only number he can't roll is the number one. There are 5 numbers that he can roll.
The probability of success therefore is 5/6.
Formula
Number of successful rolls = probability of success * total number of rolls.
Total number of rolls = 78
Probability = 5/6
Number of successful Rolls = 5/6 * 78
Number of successful Rolls = 390/6
Number of successful Rolls = 65
Answer
He should roll a number greater than one 65 times <<<<< answer
For perimeter you can find it 2 ways:
l=length, w=width
(2)l+(2)w=perimeter
or just:
l+l+w+w= perimeter
Hope this helps!!!
