jenymachado31737 jenymachado31737

14-04-2020
Mathematics

contestada

For a binomial distribution the Mean is equal to np and the Variance is npq.
If n = 346 and p = 0.2 , what is the Standard Deviation?

Respuesta :

emma23131 emma23131

14-04-2020

Answer:

7.44

Step-by-step explanation:

formula for SD is [tex]\sqrt{npq}[/tex] since we dont have q, we find q by (1-p)

so now its [tex]\sqrt{np(1-p)}[/tex] or [tex]\sqrt{346*0.2*(1-0.2)}[/tex]

Answer Link

Otras preguntas

Attempts by interest groups to influence legislators through key constituents or friends of legislators is known as:

YO WHO CAN HELP :/ which amendment in the bill of rights is federalism "made alive"?

What is another name for a homogeneous mixture? a compound a solvent a solute a pure substance a solution

Steven, a tailor, got an order to make a blazer. The customer specifically asked him to save 5⁄6 of a foot of the given cloth to make a pocket square. However,

Similarities and differences between the 1st and 2nd industrial revolution

Which graph would you want to use if you worked for Brand A and wanted to show that your product is preferred almost as often as Brand B? A. Neither graph is pr

Plz help ASAP been stuck on this problem forever

Which helped George Washington in his first term as the first president of the United States? A. He made his advisers pledge not to argue about how the governme

choose the FALSE statement about granite

find the measure of each numbered angle in the recatangle