15) If the probability of an event A is P(A) = 3/7 then find the actual odds in
ID: 3060082 • Letter: 1
Question
15) If the probability of an event A is P(A) = 3/7 then find the actual odds in favor the event A is A)4 : 3 B) 3 : 11 C) 3 : 4 D) 4 : 11 16) The average age of all college students is 23 years with standard deviation of 3.5 years. If one random student is selected, find the probability that his age is more than 21 A) 0.716 B) 0.284 C) 0.178 D) 0.067 17) In a game , you have a 1/28 probability of winning $25 and a 27/28 probability of losing $1. What is your expected value? A) lose $0.7 B) lose $.05 C) lose $0.08 D) win $..07
Explanation / Answer
Q 15
P(A) = No of favorable outcomes/ (no. of favorable outcome + No. of unfavorable outcome) = 3/7
No of favorable outcome = 3
No of unfavorable outcome = 4
Terefore, the actual odds in favor the event A is No of fav outcome / No of unfavorable outcome = 3: 4
Answer: Option C)3: 4
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