rossd63 rossd63
  • 01-02-2017
  • Mathematics
contestada

normal distributed mean of 200pounds and a standard deviation of 20 pounds what percent would be over 250 pounds

Respuesta :

LammettHash
LammettHash LammettHash
  • 06-02-2017
[tex]\mathbb P(X>250)=\mathbb P\left(\dfrac{X-200}{20}>\dfrac{250-200}{20}\right)=\mathbb P(Z>2.5)\approx0.0062=0.62\%[/tex]
Answer Link

Otras preguntas

During a period of 45 days, Delynn played soccer on 3/5 of the days. On how many days did she play soccer?
How many 2/3 cups servings are in a 5 cup box
PLEASE HELP me find the rest of the angles. The big triangle problem
When energy is transferred in an ecosystem, ______% is lost as heat. A 50% B 5% C 20% D 90%
what major industries emerged in the decades after the civil war?
Write the square of the binomial as a polynomial: (−1 1/3 p+6q)^2
Joy riding summary for English
a box of crackers has 24 grams of fat. the box contains 8 servings. what is the unit rate? please help​
What do you think about them? bills of rights
3. What are the military benefits of having colonies?