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  3. 1)    75% of adult smokers started smokin

1)    75% of adult smokers started smoking before turning 18 years in a population. A random sample...

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Basic Math

1)    75% of adultsmokers started smoking before turning 18 years in a population. Arandom sample of 30 smokers 18 years or older are selected and thenumber of smokers who started smoking

before 18 is recorded.

1)   Find theprobability that exactly 7 are smokers.

2)   Find theprobability that at least 5 are smokers.

3)   Find theprobability that fewer than 3 are smokers.

4)   Find theprobability that between 4 and 7 of them, inclusive, aresmokers.

5)   Find the meanand standard deviation of this binomialexperiment.

6)   The mean valuefor an event X to occur is 2 in a day. Find the probability ofevent X to happen 3 times in a day.

      

8) Find the probability mass function ofPoisson distribution.

Define moment generating function for discreteand continuous distribution.

9) Find the mean and variance of Poissondistribution using MGF.

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