A random experiment consists of flipping four coins and taking the random variable to be the number of heads. a) Sketch the distribution function for this random variable. b) What is the probability that the random variable is less than 3.5? c) What is the probability that the random

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A random experiment consists of flipping four
coins and taking the random variable to be the
number of heads.
a) Sketch the distribution function for this
random variable.
b) What is the probability that the random
variable is less than 3.5?
c) What is the probability that the random
variable is greater than 2.5?
d) What is the probability that the random
variable is greater than 0.5 and less than or
equal to 3.0?
Transcribed Image Text:A random experiment consists of flipping four coins and taking the random variable to be the number of heads. a) Sketch the distribution function for this random variable. b) What is the probability that the random variable is less than 3.5? c) What is the probability that the random variable is greater than 2.5? d) What is the probability that the random variable is greater than 0.5 and less than or equal to 3.0?
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