nikcowell nikcowell
  • 08-07-2020
  • Mathematics
contestada

Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean of μ=81 points and a standard deviation of σ=5 points. The middle 50% of the exam scores are between what two values? Use a TI-83, TI-83 plus, or TI-84 calculator, and round your answers to the nearest integer.

Respuesta :

arii9913 arii9913
  • 08-07-2020
the answer is x=5 TI=84
Answer Link

Otras preguntas

What is pericardium. Name the instrument used to measure blood pressure .
how is the resistor of a 40v lamp higher then the resistor of a 60v lamp?
What is the semi-solid food found inside the stomach during digestion called????
How did the Tang people gain the Mandate of Heaven?
Under what conditions will light bend?
Robert's family _________ the fireworks from their front lawn.fill in the blank with the correct word.a.) watchesb.) watch
Draw velocity-ime graph for uniform moion of an object , when initially body is at rest.
which one is having lesser ressistance. a 60w bulb or a 40w bulb?
which one is having lesser ressistance. a 60w bulb or a 40w bulb?
The school that Lisa goes to is selling tickets to the annual talent show. On the first day of ticket sales the school sold 4 senior citizen tickets and 5 stude