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What is the probability of obtaining exactly three heads in

A coin is weighted so that the probability of obtaining a head in a single toss is .4. If the coin is tossed 25 times, what is
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2. asked by lijm
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Ryder tossed two coins 50 times.He recorded two heads 11 times.A)what is the experimental probability of obtaining two heads as
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2. asked by Cherie
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A fair coin is tossed 400 times.Use the normal-curve approximation to find the probability of obtaining:a.Between 185 and 210
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2. asked by farahan
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What is the probability of obtaining exactly three heads in four flips of a coin, given that at least two are heads? (Enter the
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2. asked by Ashanti
3. 1,781 views
10. A coin is loaded so that the probability of heads is 0.55 and the probability of tails is 0.45, Suppose the coin is tossed
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2. asked by Renee
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A coin is biased so that the probability of obtaining a head is 2/3. The coin is tossed four times. Find the probability of
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2. asked by Laura
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The probability of obtaining heads on a biased coin is 0.4. The coin is tossed 600 times.a. i. Write down the mean number of
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2. asked by Myra
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A coin is tossed 3 times. Find the probability of obtaining the following:a) heads on the first and last toss, and tails on the
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2. asked by Eliza
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a) What is the probability of obtaining 2 Heads when a coin is tossed twice?b) What is the probability of obtaining 1 Head when
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2. asked by anonymous
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What is the probability of obtaining exactly two heads in three flips of a coin, given that at least one is a head?
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2. asked by AP
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