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 century did William the conqueror took control of england in the year 1066?
what type of cell is produce in meiosis
Wapi simplified an expression. His work is shown below.
which of the following is not an major source of pressure that influences teens to seek escape through drug abuse a. family demands and expectationsb. a support
What volume of nitrogen dioxide is produced from the complete reaction of 16.87g of lead at STP? 2Pb(NO3)——> 2PbO(s)+4NO2(g)+O2(g)
Who was the new cheif of Justice under Nixon?
The ratio of Joe’s stamp collection to Tom’s stamp collection is 6:2. If Joe has 72 stamps how many does Tom have?
What is the persuasive effect of his language in the closing paragraphs?
Arrangement and type size are some indicators of the relative importance of textbook materials. True False
what is the discriminant of the quadratic equation 9x squared + -12x + 4 equal 0