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L15.2082 - Statistics for Business and Economics (2024/2025)
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Consider the figure below. It shows three cumulative distributions functions for the exponential distribution with various parameters:
Identify the color of these distributions.
A continuous random variable can take on a infinite number of possible values.
Find the expected value of X, where X is a random variable with the following pdf:
f(x) = 2x2 for 0 < x < 1
Consider the continuous random variable X with probability density function f(x) and cumulative density function F(x). Then, P(X = 0)
The cumulative distribution function (CDF) of a continuous random variable is always a non-decreasing function.
An oil company conducts a geological study that indicates that an exploratory oil well should have a 20% chance of striking oil. What is the probability that the first strike occurs before the fourth well drilled?