Mhabeb5757 Mhabeb5757

04-08-2022
Mathematics

contestada

Let x be a discrete random variable. if pr(x<9) = 1/6, and pr(x>9) = 1/3, then what is pr(x=9)?

Respuesta :

Medunno13 Medunno13

14-08-2022

Answer: 1/2

Step-by-step explanation:

The probabilities must add to 1, so:

[tex]P(x < 9) +P(X=9)+P(X > 9)=1\\\\\frac{1}{6}+P(X=9)+\frac{1}{3}=1\\\\P(X=9)=\boxed{\frac{1}{2}}[/tex]

Answer Link

Otras preguntas

Which is Sam Adams known for? A. writing pamphlets about independence B. founding the radical Sons of Liberty C. leading troops at Bunker Hill D. working to mak

Describe a time when you felt antagonized or were responsible for antagonizing someone yourself.

This weekend you are planning to complete part of your assignment at the library to do this you need to store data on a removable storage device

If 150g of sugar is used for 5 cakes How much is used for 7 cakes?:)

14 1/4 - 10 3/7 Reduce to lowest form.... step by step to see if my answer your answer

what is 4x squared minus 3x to the 5th plus x

The highest tier in cell hierarchy is _____.

in times what equals 28,21,60,48,24,45

Which one of the following sentences contains two ideas joined by a connecting word? A. Sally lives with her parents, although she could afford her own a

on what continents would you expect to see evidence of a glacier