shiannepezel shiannepezel

02-08-2020
Mathematics

contestada

Assume that adults have it scores that are normally distributed with a mean of 99.6 and a standard deviation of 16.2 find the first quartile which is the hw score sepedafinf the bottom 25%

Respuesta :

MathPhys MathPhys

02-08-2020

Answer:

88.7

Step-by-step explanation:

P(Z < z) = 0.25

z = -0.674

z = (x − μ) / σ

-0.674 = (x − 99.6) / 16.2

x = 88.7

Answer Link

Otras preguntas

30 points! Mathematics

John predicted that gas prices would rise 3.5% in the month of January. If gas prices start at $3.25, how much will the gas be if John is correct?

If x = 4 and y = 5 , evaluate the following expression: 3 ( x + y )

Create a claim about the purpose of these conflicts in the overall play in act 1 scene 4 of macbeth.

Solve the system of equations: x-y=4 4x-7z=24 4y+z=8

Can anyone please give me a paragraph describing a best friend And thanx

48 is 12% of what? With solution pls

30 POINTS write a paragraph explaining what a frame story is

These tables represent the relationships between x and y for two different sets of data. Which statements correctly describe the relationships between x and y f

what are some values of trees?