On the midnight shift the number of patients with head trauma in an emergency room has the probability distribution shown. X 0 1 2 3 4 p (x) .02 .31 .25 .19 .13 .10 total 1.00. Calculate the mean and standard deviation

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step-by-step explanation:

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step-by-step explanation:

answer would be 8.64 or s = 11π/4 inches

step-by-step explanation:

s = r θ  

where s = arc length  

r = radius = 3 inches  

θ = central angle in radians = ( π /180)*165  

s = 3(π/180)*165  

= 8.64 inches