(Solved):
A random variable X has binomial distri- 1. 0 bution with the following properties: I. Var[X]E[X] ...
A random variable X has binomial distri- 1. 0 bution with the following properties: I. Var[X]E[X]?=1.18 2. 1 II. Pr(X=0)=0.444 3. 2 Determine the mode of the random variable 4. The correct answer choice is not given. X. 5. 3
Emme takes a quiz for her Anthropology 401E course. There are 8 multiple-choice questions on the test with 5 answer choices, only one of which is correct. Emme has not studied for the test, so she just randomly guesses the answers. What is the probability that Emme answers exactly 3 questions correctly? Enter your answer as a decimal with four significant digits.