Reference no: EM1321466

Q1) On December day, the probability of "snow" is 0.3. Probability of a "cold" day is 0.5. Probability of "snow" and "cold" weather is 0.15. Are "snow" and "cold" weather independent events? 

a) Only if given that it snowed 

b) No 

c) Yes 

d) Only when they are also mutually exclusive 

e) None of the above is correct 

Q2) If "fair" coin is tossed four times and comes up heads all four times, probability of heads on the fifth trial is 

a) Zero 

b)1/32 

c) 0.5 

d) Larger than the probability of tails 

e) None of the above is correct 

Q3) If a coin is tossed three times, the likelihood of obtaining three heads in a row is 

a) zero 

b) 0.500 

c) 0.875 

d) 0.125 

e) None of the above is correct 

Q4)  Event E has a probability of 0.25. Probability of complement of event E 

a) Cannot be determined with the above information  

b) Can have any value between zero and one 

c) Must be 0.75 

d) Is 0.25 

e) None of the above answers is correct.