The percent of decrease is 20% off
The answer is 16.3 since
-4.7 is below zero, to get it to zero you would have to add the 4.7 back on. and 11.6+4.7 is equal to 16.3
Answer:
10²
Step-by-step explanation:
Another way of phrasing "10 sets of 10 sit-ups" is "10 sit-ups, 10 times," or mathematically, 10 x 10. Another way of writing repeated multiplication is through <em>exponents</em>. Since we have 2 10's multiplied together, we can rewrite our expression as 10².
Answer:
a) 
And replacing we got:

b)
And adding we got:
c) 
And replacing we got:

Step-by-step explanation:
Let X the random variable of interest "numebr of times that an alarm is triggered", on this case we now that:
The probability mass function for the Binomial distribution is given as:
Where (nCx) means combinatory and it's given by this formula:
Part a
We want to find this probability:

And replacing we got:

Part b

And adding we got:
Part c

And replacing we got:

Can you provide a picture ?? or some sort of context