a) Four fair coins are tossed at random. The coins coming down Heads the first time are all tossed again. i. What is the

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A Four Fair Coins Are Tossed At Random The Coins Coming Down Heads The First Time Are All Tossed Again I What Is The 1 (37.86 KiB) Viewed 89 times

a) Four fair coins are tossed at random. The coins coming down Heads the first time are all tossed again. i. What is the probability that finally there are two Heads? ii. What is the probability that there were three Heads after the first tosses if there are two Heads at the end? b) 30 observations are thought to be independent realisations x of a Poisson ran- dom variable X with mean y = 6. They are tabulated below: *<4 4<x<77<x 8 12 Test the hypothesis that the observations on X are from a Poisson distribution with mean p=6. 10