A web site reported in 2018 that 47% of all web traffic comes from laptops and desktops. Based on a random sample of 11 households was selected. a) what is the probability that exactly two households used a laptop or desktop to access the web? b) what is the probability that less than three households used a laptop or desktop to access the web? c) what is the probability that more than five households used a laptop or desktop to access the web? d) what are the mean and standard deviation for this distribution? -the mean for this distribution is ___. -the standard deviation for this distribution is ___.
A web site reported in 2018 that 47% of all web traffic comes from laptops and desktops. Based on a random sample of 11 households was selected.
a) what is the probability that exactly two households used a laptop or desktop to access the web?
b) what is the probability that less than three households used a laptop or desktop to access the web?
c) what is the probability that more than five households used a laptop or desktop to access the web?
d) what are the mean and standard deviation for this distribution?
-the mean for this distribution is ___.
-the standard deviation for this distribution is ___.
Please help! A previous question like this was answered half wrong. Thank you!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 3 images