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NARA [144]
2 years ago
11

Layla has a coin that has a 60%, percent chance of showing heads each time it is flipped. She is going to flip the coin 5 times.

Let X represent the number of heads she gets. What is the probability that she gets more than 3 heads?
Mathematics
2 answers:
Semenov [28]2 years ago
3 0

Answer:

0.33696

Step-by-step explanation:

Given that:

Probability of showing up head (p) = 0.6

Number of flips = number of trials = 5

Probability of getting more than 3 heads

P(x = x) = nCx * p^x * (1 - p)^(n-x)

P(x> 3) = p(4) + p(5)

P(x = 4) = 5C4 * 0.6^4 * 0.4^1 = 0.2592

P(x = 5) = 5C5 * 0.6^5 * 0.4^0 = 0.07776

Hence,

0.2592 + 0.07776

= 0.33696

bekas [8.4K]2 years ago
3 0

Answer:

P(X=3)=0.3456~0.35

Step-by-step explanation:

khan acedemy told me when i got it wrong lol

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