jholland03
25.08.2021 •
Mathematics
According to the Center for Paranormal Activity and Defense (a secret division of the FBI), 25% of people have come in contact with an extraterrestrial being. Suppose 10 people are randomly selected and the numbers who have come in contact with extraterrestrial beings is recorded.
a. Why could this be modeled as a binomial probability experiment? What are the criteria?
b. Compute the probability that exactly 3 in the 10 have come in contact with extraterrestrial beings.
c. Compute the probability that 2 or less in the 10 have come in contact with extraterrestrial beings.
d. Compute the probability that 3 or more in the 10 have come in contact with extraterrestrial beings.
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