The formula to calculate standard deviation from probability is \sqrt(n*p*(1-p)). n is the sample size, and 200 in this case (number of putts for practice). p is 80% or 0.8, the probability that he can make it. So the standard deviation is \sqrt(200*0.8*(1-0.8)=\sqrt(200*0.8*0.2)=\sqrt(16)=4.

6 0

3 years ago

A population consists of all the weights of all defensive tackles on a university's football team. they are johnson, 204 pounds;

Rom4ik [11]

What level is this question at?

3 0

3 years ago

what is approximately unit price for 1 g of organic green seedless grapes if it costs 6.49 for 400g?

RUDIKE [14]

Answer:

according to my equation it is 61.6

7 0

3 years ago