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Math
Alice has two coins. The probability of Heads for the first coin is 1/4, and the probability of Heads for the second is 3/4. Other than this difference, the coins are indistinguishable. Alice chooses one of the coins at random and
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A coin is biased so that a head is twice as likely to occur as a tail. If the coin is tossed 3 times, what is the probability of getting 2 tails and 1 head? What do you mean by biased in probability?
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When you flip a biased coin the probability of getting a tail is 0.6. How many times would you expect to get tails if you flip the coin 320 times?
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A coin was flipped 60 times and came up heads 38 times. (a) At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations. (b) Calculate a pvalue and interpret it.
asked by Marilyn on September 28, 2008 
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Biased coin has a 0.4 probability of landing on tails. The random variable x, based on a single toss of the coin, is defined as follows: x=0 if heads appears; x=1 if tails appears. What Is the mean value of X? Is it . 0.3 .4 .6 .5
asked by Gilbert on November 28, 2012 
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"The probability of getting heads on a biased coin is 1/3. Sammy tosses the coin 3 times. Find the probability of getting two heads and one tail". I thought that all you have to do is: (1/3)(1/3)(2/3) It makes sense to me, but
asked by Stuck on May 3, 2010 
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Jodie tosses a biased coin and throws two tetrahedral dice.The probability that the coin shows a head is. Each of the dice has four faces, numbered 1, 2, 3 and 4. Jodie’s score is calculated from the faces that the dice lands
asked by Ataul on October 25, 2015 
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We are given a biased coin, where the (random) bias Θ is uniformly distributed on [0,1] . We toss this coin, until we see Heads for the first time. Our goal is to estimate Θ using our observation. Find the LMS estimator ΘˆLMS
asked by x on September 3, 2019 
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When you flip a biased coin the probability of getting a tail is 0.38. Find the probability of getting a head.
asked by kasey on January 28, 2020
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