Answer:
71.43% conditional probability that she will survive to 80 years
Step-by-step explanation:
We have these two following events.
Event A:
Living to be 70. So P(A) = 0.7
Event B:
Living to be 80. So P(B) = 0.5
The conditional probability formula is given by:
![P(B|A) = \frac{P(A \cap B)}{P(A)}](https://tex.z-dn.net/?f=P%28B%7CA%29%20%3D%20%5Cfrac%7BP%28A%20%5Ccap%20B%29%7D%7BP%28A%29%7D)
In which P(B|A) is the probability of B happening given that A has happened and
is the probability of both events happening.
(a) If a woman from that country is 70 years old, what is the conditional probability that she will survive to 80 years
If a person lives to be 80, she must have lived to be 70. So ![P(A \cap B) = 0.5](https://tex.z-dn.net/?f=P%28A%20%5Ccap%20B%29%20%3D%200.5)
![P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.5}{0.7} = 0.7143](https://tex.z-dn.net/?f=P%28B%7CA%29%20%3D%20%5Cfrac%7BP%28A%20%5Ccap%20B%29%7D%7BP%28A%29%7D%20%3D%20%5Cfrac%7B0.5%7D%7B0.7%7D%20%3D%200.7143)
71.43% conditional probability that she will survive to 80 years
Total $= $123
Flat fee= $55
Daily cost= $8.50
d= number of days rented
Total cost equals (the daily cost times the number of days rented) plus the flat fee.
T= (Daily cost)(# Days) + Flat fee
$123= $8.50d + $55
ANSWER: $123= $8.50d + $55
Hope this helps! :)
You would divide 10 into 477 to get 47.7, but you can't put 47.7 because you can't have a decimal. The answer is 47
Answer:
around 45%
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
If the ratio is 2:3:2 that means that there is 2Karen tomato juice bottles, 3pineapple juice bottles and 2 grape juice bottles you just have to find the sum and get 7juice bottles