Np>5 and nq>5, estimate P(at least 11) with n=13 and p = 0.6 by using the normal distributions as an approximation to the binomial distribution. if
p (at least 11) = ?
According to a report 77.3% of murders are committed with a firearm ( a) If 400 murders are randomly selected, how many would we expect to be committed with a firearm? (b) Would it be unusual to observe 338 murders by firearm in a random sample of 400 murders? Why?