ps://webwork.ucalgary.ca/webwork2/F2017STAT2 1303/213F17 Assignment 2/14/?effect

Question

ps://webwork.ucalgary.ca/webwork2/F2017STAT2 1303/213F17 Assignment 2/14/?effectiveUser-101752578 ser-101 75257&keyec.; (1 point) In a certain population of people, 1596 will co tract Disease A at some point in their lifetime, 24% will contract Disease B at some point in their lifetime, and 72% will not contract either of these diseases in their lifetime. A person from this population is randomly chosen. Part (a) Cemplete the probability table helow. Use two decimals in each of your answers. Disease Ac 24 EEE 76 Column Probabilit 15 Part (b) Find the probability that the person chosen contracts Disease A or Disease B. Enfer your answer to two decimals Part (c) Find the probability that the person chosen contracts only one of these two diseases. lll ésetwo decimals) Part (d) Suppose a person.contracts Disease A. What is the chance that this person will contract Disease B? Enter your answeir to four Part (e) If a person contracts Disease B, what is the probability they will also contract Disease A? decimals) 8 MacBook Pro

Explanation / Answer

b)probabilty =1-0.72 =0.28

c)probability =0.04+0.13=0.17

d)P(B|A)=0.11/0.15=0.7333

e)P(A|B)=0.11/0.24 =0.4583

disease A Ac row probability B 0.11 0.13 0.24 Bc 0.04 0.72 0.76 column probability 0.15 0.85 1

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