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I have the answer to a, but I really need help with b please as soon as possible. Thanks!

The time spent (in days) waiting for a heart transplant in two states for patients with type A+ blood can be approximated by a normal distribution, as shown in the graph to the right. Complete parts (a) and (b) below.

μ= 126
σ= 20.4
Graph line is 55 left tail and 200 right tail
(round to two decimal points please)

(a) What is the shortest time spent waiting for a heart that world still place a patient in the top 10% of waiting times?

In days?"

b.) What is the longest time spent waiting for a heart that would still place the patient in the bottom 25%? (Round to the nearest whole number please)
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