RhilynnL74056 RhilynnL74056

03-11-2022
Mathematics

contestada

Assume that the random variable X is normally distributed , with mean = 80 and standard deviation = 15. Compute the probability P(X > 92) .

Respuesta :

MckaleJ679532 MckaleJ679532

03-11-2022

Assume that the random variable X is normally distributed , with mean = 80 and standard deviation = 15. Compute the probability P(X > 92) .

step 1

Find z score

z=(92-80)/15

z=0.8

step 2

using the z-score table

For z=0.8

P=0.7881

therefore

answer is

P=0.7881

Answer Link

Otras preguntas

What is 25.2<1.5y+1.2

Use the diagram above to determine which group of side lengths would form a right triangle. 20, 21, 29 12, 35

In an examination there are four multiple choice questions with 3 options each, of which one option is the correct answer. In how many ways can a student answer

what is 9/25 as a decimal terminating or repeating decimal

What is 3.100 in written form

whats the answer to -12(4/3-1)

What is 28.09 to the nearest tenths

How many Jews did Adolf Hitler killed

if a set of numbers that both include both rational and irrational number is graphed on a number line what is the fewest number of distinct points that need to

i need a paragraph on work experience like where i went ,what i did,what my boss was like and what i did during the work experience ? can anyone help?!