# Question

With reference to Example 3.3, find the probability distribution of Y, the difference between the number of heads and the number of tails obtained in four tosses of a balanced coin.

Example 3.3

Find a formula for the probability distribution of the total number of heads obtained in four tosses of a balanced coin.

Example 3.3

Find a formula for the probability distribution of the total number of heads obtained in four tosses of a balanced coin.

## Answer to relevant Questions

A coin is biased so that heads is twice as likely as tails. For three independent tosses of the coin, Find (a) The probability distribution of X, the total number of heads; (b) The probability of getting at most two heads. The actual amount of coffee (in grams) in a 230- gram jar filled by a certain machine is a random variable whose probability density is given by Find the probabilities that a 230- gram jar filled by this machine will contain ...X is the number of heads and Y the number of heads minus the number of tails obtained in three flips of a balanced coin, construct a table showing the values of the joint probability distribution of X and Y. Find µ, µ'2, and σ2 for the random variable X that has the probability density Show that if X is a random variable with the mean µ for which f(x) = 0 for x < 0, then for any positive constant a, P(X ≥ a) ≤ µ/a This inequality is called Markov’s inequality, and we have given it here mainly ...Post your question

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