A biased coin with P({head})=0.6 is tossed three times. Let the binomial random variable X represent the number of heads obtaine
d on any triple toss. Find (or sketch) the PMF of X.
2 answers:
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Answer:
Step-by-step explanation:
The recursive rule tells you the initial term of the sequence is a1 = -3, and the common difference is d=7. (7 is the value added to one term to get the next term.)
Putting these values into the formula for the explicit rule gives ...
an = a1 +d(n -1)
an = -3 + 7(n -1)