stephaniedel17 stephaniedel17
  • 30-04-2020
  • Mathematics
contestada

If you flip a fair coin 4 times, what is the probability that you will get exactly 2 tails?

Respuesta :

altavistard
altavistard altavistard
  • 02-05-2020

Answer:

0.375, or 3/8

Step-by-step explanation:

This is binomial probability, with n = 4, x = 2 and P(tails) = 0.5.

Using a calculator with probability distribution functions built in, we evaluate

binompdf(4,0.5,2) = 0.375

Thus, P(exactly 2 tails) = 0.375, or 3/8

Answer Link
thepennypromise thepennypromise
  • 12-02-2021

Answer:

0.375

Step-by-step explanation:

100% on khan academy

Answer Link

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