itscheesycheedar
25.03.2020 •
Mathematics
B. Consider a random variable X which takes on values 1 and 2 with probability 0.25 and 0.75, respectively (i.e., P[x=1]=0.25 and P[x = 2] = 0.75). Determine the mean and variance of X. Plot the probability density function (pdf) and cumulative distribution function (CDF) of X.
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Ответ:
The mean is 1.75
The variance is 0.1875
The standard deviation is 0.4330
Step-by-step explanation:
The step by step solution is attached as an image. Also attached is a screenshot of the Probability Density Function and Cumulative Density Function. The plot was done using Microsoft Excel.
Ответ:
yes
Step-by-step explanation:text