1) Probability is the likelihood of an event happening.o.Spts extra credit OTrue

Question

1) Probability is the likelihood of an event happening.o.Spts extra credit OTrue OFalse 2) If the probability that it will rain today is 0.80, what is thee (05pts) probability that it will not rain? P(not rain) 3) If the probability that a freshman is 0.36, what is the probability pts) that it is not a freshman? P(not freshman) 4) If the "likelihood" that an event occurs is 0.92, would this mean the event is not very likely to occur or would the event have a good chance of occurring? 0.5pts extra credit) not very likely to occur Ogood chance of occurring 5) What is the probability of rolling a die and getting an even O.Spts) number? P(even number on die) 6) Experiment: One fair die is tossed a.) What is the sample space? S b.) Let event A be rolling an even number. A c.) What is P(A)? 1.5pts extra credit)

Explanation / Answer

Ans:

1)True

2)P(not rain)=1-P(rain)=1-0.8=0.2

3)P(not freshman)=1-P(freshman)=1-0.36=0.64

4)As,0.92 is high probability value,so event has good chance of occuring.

5)Sample space={1,2,3,4,5,6}

Favorable outcomes={2,4,6}

Probability to get an even number=3/6=1/2=0.5

6)

a)Sample space={1,2,3,4,5,6}

b)Favorable outcomes for an even number={2,4,6}

c)P(A)=3/6=0.5

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