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 organism has lungs? frog insect fish jellyfish

Brainliest if correct OK History Final Assessment Who benefited most from Andrew Jackson's plan to remove American Indians to the West? O American Indians, who

what was the initial reason many european explorers sailed to the americas?

What is the slope of the line? 7x + 2y=5 A. 7/2 B. -7/2 C. -2/7 D. 2/7

In an effort to reduce the turnover nurses your hospital

are any of you guys getting anything for anyone for christmas

an expression of Avogradros law

Which of the following individuals created the Black Entertainment Television (BET) network and became the first African American billionaire? A. Oprah Winfrey

Vernon lives in New Mexico and pays 5% in sales tax. He bought an air conditioner, and the amount he paid after sales tax was $1527.75. What was the cost of the

same, but balanced nevertheless Describes a composition that contains very little, if any, energy.