@mp.4 model with math
when mary was born, she weighed 8 pounds. when she was 10 years old, she weighed
in times as much. how much more did mary weigh when she was 10 years old than
when she was born? use exercises 1-2 to answer the question.
1. draw a picture, write and solve an equation to find mary's
weight, w, when she was 10 years old.

85.560%

step-by-step explanation:

conditional probability is defined as:

p(a|b) = p(a∩b) / p(b)

in other words, the probability that a occurs, given that b has occurred = the probability that both a and b occur / the probability that b occurs.

in this example:

p(turns 64 | turns 44) = p(turns 64 & turns 44) / p(turns 44).

if someone turns 64, they must have already turned 44, so:

p(turns 64 | turns 44) = p(turns 64) / p(turns 44)

on page 42, we see that of the original 100,000, 94944 turn 44, and 81234 turn 64.   therefore:

p(turns 64 | turns 44) = 81234 / 94944

p(turns 64 | turns 44) = 0.85560

probably .5

i can on others if necessary.

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