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Social ScienceA random experiment consists of throwing 4 equal coins, if X is the number of stamps:a. What is the dispersion of X?
A random experiment consists of throwing 4 equal coins, if X is the number of stamps:
a. What is the dispersion of X?
Expert Answer
Note:
Hi, thank you for this question. We have considered number of stamps as the number of tails (or heads).
Binomial distribution:
The binomial distribution gives the probability of number of successes out of n trials in a series of Bernoulli trials.
T...
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п x0,1,.,0 p<l;q=1-p P(X x) otherwise SD(Xnp
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