George is solving the equation below by finding successive approximations. He started from a graph where he found the solution to be between 5 and 6. Using the lower and upper bounds from the graph, George did the following work for the first iteration.

Step 1
Rewrite the equation so that it equals zero.

Step 2 Evaluate the rewritten equation at the lower and upper bounds.
Since the solution to the original equation is represented by a zero, one of the bounds should yield a negative difference and the other should yield a positive difference.

Step 3 Take the average of the lower and upper bounds from the graph.

Step 4 Evaluate the rewritten equation at .

Step 5 Since this value of x yields a negative difference, use it to replace the previous upper bound that yielded a negative difference, .

So, the bounds are now and .

In what step, if any, did George make his first mistake?

A.
George made no mistakes, and his work is correct.
B.
In step 3, George should have averaged the two differences instead of the two bounds.
C.
In step 1, George should have subtracted in the opposite order to set the equation equal to 0.
D.
In step 5, George should have used as the new lower bound.

Step-by-step explanation:

B

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Step-by-step explanation:

step-by-step explanation:

i found the life tables for the year 2012. 

life table of males at age 30. probability of dying between ages x and x+1

total population:  

29–30 . . . . . . . . . . . . 0.001030

30–31 . . . . . . . . . . . . 0.001061

males:  

29–30 . . . . . . . . . . . . 0.001420

30–31 . . . . . . . . . . . . 0.001448

white population

29–30 . . . . . . . . . . . . 0.001005

30–31 . . . . . . . . . . . . 0.001037

white males

29–30 . . . . . . . . . . . . 0.001372

30–31 . . . . . . . . . . . . 0.001399

non hispanic white population

29–30 . . . . . . . . . . . . 0.001083

30–31 . . . . . . . . . . . . 0.001116

non hispanic white males

29–30 . . . . . . . . . . . . 0.001477

30–31 . . . . . . . . . . . . 0.001503

jacob, non hispanic white male. 30 years old.

probability that jacob lives to be 30 years old. 

since the given probabilities are probabilities of dying, i think we simply subtract it from 1 to get the probability of living. we will use the probability of non hispanic white male.

                                          probability of living to be 30 y.o.

29 - 30 : 1 - 0.001477 = 0.998523

30 - 31 : 1 - 0.001503 = 0.998497