guest9068 guest9068

15-12-2022
Mathematics

contestada

the scores on a certain test are normally distributed with a mean score of 69 and a standard deviation of 4. what is the probability that a sample of 90 students will have a mean score of at least 69.4216? group of answer choices 0.1587 0.3174 0.3413 0.8413

Respuesta :

Otras preguntas

When a number x is multiplied by 4, the result is 2/5 . What is the value of x? Drag and drop the correct number into the box so that the equation is true. brai

which statement best describes the polynomial 2x^3+x+5?

what is the mean? 19, 16, 24, 12, 16, 21, 18

David is interviewing with karen and notices that she often gestures when she speaks. in response, david mirrors karen's tendency and also employs gesturing. ka

21/7 rewrite as a whole number

What is the mode of the following data set

Does the data in the table represent a direct variation or an inverse variation? Write an equation to model the data in the table. (Here's the table) (x) 2 l

A swimmer takes 45 seconds to complete a 100-meter lap. Calculate the swimmer’s average speed.

What did Stacey tell Cassie when they left the store about mr. Barnett

14 x 2/7= please show work!!!