subject
Mathematics, 22.01.2021 18:50 lil8174

For each of the 4 stroke categories, consider a random variable representing the time of a randomly selected swimmer in that category. What is the standard deviation of the sum of the 4 random variables?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards
Answers: 2
question
Mathematics, 21.06.2019 18:30
Which representation has a constant of variation of -2.5
Answers: 1
question
Mathematics, 21.06.2019 19:00
How much orange juice do you need to make 2 servings of lemony orange slush?
Answers: 1
question
Mathematics, 21.06.2019 23:30
The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .
Answers: 1
You know the right answer?
For each of the 4 stroke categories, consider a random variable representing the time of a randomly...
Questions
question
Social Studies, 30.07.2019 15:00
Questions on the website: 13722360