Question

Asked Nov 13, 2019

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A random experiment consists of throwing 4 equal coins, if X is the number of stamps:

a. What is the dispersion of X?

Step 1

**Note:**

Hi, thank you for this question. We have considered number of stamps as the number of tails (or heads).

Step 2

**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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