KRose8403 KRose8403

03-05-2018
Mathematics

contestada

On the first test, the mean is 70, the standard deviation is 5, and your score is 80. on the second test, the mean is 70, the standard deviation is 15, and your score is 85. compared to other students, how well did you do on the two tests?

Respuesta :

afeshla afeshla

03-05-2018

85+88+87+80+x all divided by 5= 82

340+x=410

410-340=70

Answer Link

Otras preguntas

cómo influye el desarrollo tecnológico en la sociedad

Scott pours 1/4 gallon of lemonade equally into two glasses. How much lemonade is in each glass

1/2(c+1)>5 as a word problem

Crane critical lift plans are required for all of the following except

will gold or water gain more heat when heated up

Liam is selling cookies at a bake sale. He spent $50 on supplies and will sell the cookies for $2 each. He would like to have a profit of more than $80. Which i

A ball is shot out at a speed of 76 m/s At top of the flight, how much GPE does the ball have?

What is the sum of 40/100+60/100+30/100+81/100

The quotient of m and 56. Subtract that result from 34

The single most important thing you can do to improve your chances of surviving a collision is to: a) Wear a securely fastened helmet b) Be familiar with the mo