arnotrelle6080 arnotrelle6080

13-07-2017
Mathematics

contestada

Given that the random variable x is normally distributed with a mean of 80 and a standard deviation of 10, p(85 < x < 90) is

Respuesta :

altavistard altavistard

14-07-2017

I'd do this by using the normalcdf probability distribution function on my TI-83 Plus calculator: normalcdf(85,90,80,10). Result: 0.1499.

You could also do this problem using z-scores.

Answer Link

Otras preguntas

two decimal places for 28.4593

A charge of 0.01 C is in a 120 N/C electric field. What is the force on the charge?

3/4(n+3)=9 how do I find n

Josie took a long multiple-choice, end-of-year vocabulary test. The ratio of the number of problems Josie got incorrect to the number of problems she got correc

THE RATIO OF SEVENTH GRADERS TO EIGHTH GRADERS PARTICIPATING IN THE SCIENCE FAIR IS 4:3 . THERE ARE 18 EIGHT GRADERS PARTICIPATING IN THE SCIENCE FAIR. HOW MANY

Powdered sulfur is yellow, and powdered iron is gray. When powdered sulfur and powdered iron are mixed at 20°C, the powdered iron (A) becomes yellow (B) remain

An experiment consist of rolling Two fair number cubes. find the probability of each event. 9). P (total shown=3)

Realidades 2 workbook page 9 Los chicos deben _ _ _ _ _er al profesor como el sr.rios What word ends in er and fils the blanks as shown above?

Gracia and Jim were shooting free throws. Gracia made 4 out of 15 free throws. Jim missed 6 out of 16 free throws. Who made the free throw a greater fraction of

how does Earth's atmosphere make conditions on Earth suitable for living things?