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Kristy has tossed a fair coin 9 times and gotten 9 heads. What is the probability that she will get heads on the next toss?

Sagot :

The Probability of getting a head for a fair coin is not affect by previous results, the chances are equal for a head or a tail.

Probability of getting a head = 1/2 = 0.5

Probability and Statistics

Given Data

Sample Space for a fair coin

Head = 1

Tail = 1

Sample size = 1+1 = 2

The probability of getting a head if a fair coin is tossed remains unchanged regardless of previous results

Let us find the probability of getting a head

P(h) = 1/2 = 0.5

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