A.) alternate exterior angles
Answer:
0.9606 = 96.06% probability that the system will function tomorrow
Step-by-step explanation:
For each component, there are only two possible outcomes. Either it works, or it does not. Components are independent. This means that we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

In which
is the number of different combinations of x objects from a set of n elements, given by the following formula.

And p is the probability of X happening.
Probability of a component working:
0.7 of 0.2(rain)
0.9 of 1 - 0.2 = 0.8(no rain). So

0.86 - 86% probability that the system will function tomorrow
6 components:
This means that 
What is the probability that the system will function tomorrow
This is

In which





0.9606 = 96.06% probability that the system will function tomorrow
Add 2 to both sides
11+2 = 13
m=13
Answer:
option (B).
Step-by-step explanation:
it's really simple....
just replace the (n) near the 3 with 1,2,3,4,5 and 6 and then solve the maths and when you're done , you add the answers all up.
sooo...
3(1)-2 = 1
3(2)-2 = 4
3(3)-2 = 7
3(4)-2 = 10
3(5)-2 = 13
3(6)-2 = 16
now we add them all up...
1+4+7+10+13+16 = <u>5</u><u>1</u><u>.</u>
Hope this helps.
Good luck.
Answer:
A
Step-by-step explanation: