christiantmatthews christiantmatthews

26-05-2017
Mathematics

contestada

A students received a score of 50 on his history test. The test had a mean of 69 and a standard deviation of 10. Find the z score and assess whether his score is considered unusual.

Respuesta :

leonmoss28 leonmoss28

26-05-2017

i believe its 69.5 or 10 50 69

Answer Link

akem3498 akem3498

14-12-2019

Answer:

-1.9 unusual

Step-by-step explanation:

z score is (x-mean)/sd so 50-69=-19

-19/10=-1.9

Answer Link

Otras preguntas

Explain why a chlorinated swimming pool water would be a homogenous mixture?

What is the losing of water from organic molecules, then the joining of these molecules.

What is created from mitosis in animals? a. two identical nuclei b. egg and sperm cells c. gametes that are identical d. four identical nuclei

Find the value of x. The diagram is not to scale. A. 90. B. 35. C. 45. D. 145.

in modern society what do we mean when we refer to the division of labor

What is the purpose of the Preamble?

Theoretically, could evolution lead to extinction of a species?

I have 3 questions... Thank you for the help. (1) Traveling at 65 miles per hour, how many minutes, rounded to the nearest whole number, does it take to drive 1

What does relay mean???

factor the coefficient of the variable 1/2q+5/2