Solved

Find the Specified Probability Distribution of the Binomial Random Variable xP(X=x)00.421910.421920.128630.0276\begin{array}{r|r}\mathrm{x} & \mathrm{P}(\mathrm{X}=\mathrm{x}) \\\hline 0 & 0.4219 \\1 & 0.4219 \\2 & 0.1286 \\3 & 0.0276\end{array}

Question 139

Multiple Choice

Find the specified probability distribution of the binomial random variable.
-In one city, 25% of the population is under 25 years of age. Three people are selected at random from the city. Find the probability distribution of X, the number among the three that are under 25
Years of age.


A)
xP(X=x) 00.421910.421920.128630.0276\begin{array}{r|r}\mathrm{x} & \mathrm{P}(\mathrm{X}=\mathrm{x}) \\\hline 0 & 0.4219 \\1 & 0.4219 \\2 & 0.1286 \\3 & 0.0276\end{array}

B)
xP(X=x) 00.421910.421920.140630.0156\begin{array}{c|r}\mathrm{x} & \mathrm{P}(\mathrm{X}=\mathrm{x}) \\\hline 0 & 0.4219 \\1 & 0.4219 \\2 & 0.1406 \\3 & 0.0156\end{array}

C)
xP(X=x) 00.421910.140620.046930.0156\begin{array}{r|r}\mathrm{x} & \mathrm{P}(\mathrm{X}=\mathrm{x}) \\\hline 0 & 0.4219 \\1 & 0.1406 \\2 & 0.0469 \\3 & 0.0156\end{array}

D)
XP(X=x) 10.2520.062530.0156\begin{array}{r|r}\mathrm{X} & \mathrm{P}(\mathrm{X}=\mathrm{x}) \\\hline 1 & 0.25 \\2 & 0.0625 \\3 & 0.0156\end{array}

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Unlock this Answer For Free Now!

View this answer and more for free by performing one of the following actions

qr-code

Scan the QR code to install the App and get 2 free unlocks

upload documents

Unlock quizzes for free by uploading documents