Sands Casino Las
Friday, January 21st, 2011
statistics help please neeeddd help?
A dealer in the Sands Casino in Las Vegas selects 40 cards from a standard deck of 52 cards. Let Y be the number of red cards(hearts or diamonds) in the 40 cards selected. Which of the following best describes this setting:
a. Y has a binomial distribution with n=40 observations and probability of success p=0.5.
b.Y has a binomial distributio with n=40 observation and probability of success p=0.5, provided the deck is shuffled well.
c. Y has a binomial distribution with n=40 observation and probabililty of success p=0.5, provided after selecting a card it is replaced in the deck and the deck is shuffled well before the next card is selected.
d. Y has a normal distribution with mean p=0.5
and please tell me why you pick that one.
c!!! other wise the probability of choosing a red or black card decreases each time you pick a card
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