d. What is the probability of spending more than 3.9 days in recovery? e. What is the probability of spending between 4 and 4.8 days in recovery? f. The 70th percentile for recovery times is days.

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A: n1=80n2=100 x1=32x2=14 p1=3280=0.4 p2=14100=0.14 q1=1-p1=1-0.4=0.6 q2=1-p2=1-0.14=0.86

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A: Given X=2241 N=4212

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