Answer:
2.89285714
or...
2.9 simplified
Step-by-step explanation:
Using the probability concept, it is found that there is a 0.8456= 84.56% probability that client A lives to be 20 years old.
<h3 /><h3>What is probability?</h3>
A probability is the chances of happening of any event from the random variables. A probability is the number of desired outcomes divided by the number of total outcomes, that is:

In this problem:
Out of 100,000 clients, 84,560 lives to age 64, hence
Then:

There is a 0.8456= 84.56% probability that client A lives to be 30 years old.
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Answer:
x>7
Step-by-step explanation:
Let's solve your inequality step-by-step.
7(x−8)>−7
Step 1: Simplify both sides of the inequality.
7x−56>−7
Step 2: Add 56 to both sides.
7x−56+56>−7+56
7x>49
Step 3: Divide both sides by 7.
and answer is x>7 your welcome:)