Seudónimo Seudónimo
  • 01-06-2022
  • Mathematics
contestada

The graph shows the probability distribution of a random variable.
What is the value of P(4≤X≤8)?

0.40
0.45
0.50
0.55

The graph shows the probability distribution of a random variable What is the value of P4X8 040 045 050 055 class=

Respuesta :

vac8 vac8
  • 01-06-2022
The answer is 0.50.

P(4<=X<=8)=P(x=4)+ P(x=5)+ P(x=6)+ P(x=7)+ P(x=8)= 0.05+ 0.15+0.15+0.15 +0 = 0.50

Notice that in 8 the line touches the x axis so it’s corresponding probability is 0.
Answer Link

Otras preguntas

What are the solution(s) of the quadratic equation 98 - x2 = 0? O x = +277 O x = 15/3 O x = 1772 ESP O no real solution
how did railroad system in the south affect the growing of cities?
What is the monthly payment for a ​$14000 loan for 7 years with an annual interest rate of 3.3​%?
y = 20x + 40 y = 30x + 10 x= ? y= ?
Which proportion is correct?
Blair Madison Co. issues $2.8 million of new stock and pays $560,000 in cash dividends during the year. In addition, the company took advantage of falling inter
How many teams make the NCAA Basketball tournament
What is the value of the arithmetic series below?
Kim agrees to pay $0.15 per click for advertising on Google. She sets a maximum budget of $1,000. A total of 5,970 people click the link. How much has Kim spent
Please answer a few of these math questions! Thank you!