Police chief Lenny Lawnorder has heard through a normally reliable source that 30% of his officers are

Question:

Police chief Lenny Lawnorder has heard through a normally reliable source that 30% of his officers are not using regulation handguns. To see whether this is true, Lenny randomly inspects 35 of his 200 officers. Seventeen have nonregulation handguns. If the true proportion is .3, what is the probability that this event will occur?