HELP!?!! FAN!!! MEDAL!!! HELP According to a national survey 16% of U.S. adults use the internet to make telephone calls. In random survey of 100 adults what is the probability that at most 20 of them use the internet to make telephone calls.

Question

anonymous · Answer

@Sup??? do you know??

amistre64 · Answer

if we knew something about the deviation of the survey, maybe we could address it

amistre64 · Answer

otherwise it feels like an poisoned distribution maybe?

anonymous · Answer

Would i do 100/.16 625/20 31 people use the internet to make telephone calls Am i right?

superdavesuper · Answer

Has the cumulative dstribution function been covered in class?

If so, then the answer can be calculated for F(20, 100, 0.16) in which k=20, n=100 and p=0.16.

amistre64 · Answer

@zarkon, any ideas?

amistre64 · Answer

npq  and binomial stuff is ringing in my head