Answer:
0.6768
Step-by-step explanation:
It says what is the probability student doesn't have lice GIVEN THAT student tested negative.
<em>We need to look at the tree branch that has "student has no lice" and "test shows negative".</em>
<em><u>Looking at the bottom-most branch, we see this one shows that "test is negative and student has no lice". This has a value of 0.6768. This is the correct answer.</u></em>
Answer:

Step-by-step explanation:
we have

Applying the rule power


Simplify

12...? I think?
Since she has 9 left and it only says that she gave 3 away..
Answer:
65 babies
Step-by-step explanation:
Each hour has 60 minutes so 20 minutes would be divided by 3.
So 195 ÷ 3 is 65
uhh 4.9 i dont know sorry hdhh