420f 45 (42 complete) X) Social Sci 4.2.22 The probability P(O) percent of havin

Question

420f 45 (42 complete) X) Social Sci 4.2.22 The probability P(O) percent of having an automobile accident is related to the alcohol level t of a particular driver's blood by the function Pt)- e 21044 21.044 (a) G P(t) in a viewing window with 0sts 2 and 0s P(t)s 100 (b) At what blood acohol evel is the probability of an accident at least 50%? (a) Which graph below shows P(t) in a viewing window with 0sts 2 and Os P(t)s 100? B. Oc. (b) The probability of an accident is at least 50% for a blood alcohol level of (Round to three decimal places as needed.) in the Clear All

Explanation / Answer

Here we are given P(t) =50

P(t) =e^(21.044t)
Plug in P(t) =50
e^(21.044t) =50
take ln both sides
ln[e^(21.044t)] =ln50
21.044t*lne =ln50
21.044t =ln50
t =(ln50)/21.044
t=0.186

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