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Patients wait 130 days on average for a heart transplant with a standard deviation of 21...

Patients wait 130 days on average for a heart transplant with a standard deviation of 21 days. (a) What proportion of patients wait more than 117.4 days? (NOTE: Please enter your answer in decimal form. For example, 45.23% should be entered as 0.4523.) (b) What proportion of patients wait fewer than 136.3 days? (NOTE: Please enter your answer in decimal form. For example, 45.23% should be entered as 0.4523.) (c) Enter the score which best approximates the lowest 42 percent of the distribution. Round your answer to the nearest tenth.

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