Answer:
a. 0.24094
b. 0.2494
c. 0.1473
Step-by-step explanation:
The total probability of choosing any 20 random balls out of 80 is 
. We use combination since the order of selection does not matter
a. P(all numbers are selected)
are our numbers, 
is the selection of other ten numbers apart from our numbers.
b. P(none of them are selected)
Since none of our numbers are selected, we assume that all the numbers selected are from the other 70.
c. P (exactly four are selected)
Only four from our numbers are selected and the rest 16 from the other 70 numbers.
Answer:
a) {(3,3),(3,4),(4,5),(4,6)}
Step-by-step explanation:
Given
(a) to (d)
Required
Which is not a function
A relation is represented as:
For the relation t be a relation, then:
where 
This means that none of the x values must be related.
The first relation has 3 repeated as its value of . Hence, (a) is a relation
I think b because all the other lines are the same length and b lines aren’t
Answer: 16 + 200 = 216
Step-by-step explanation:
Answer:
√16 or 10.77033
Step-by-step explanation:
distance formula
