From a group of 19 astronauts that includes 10 people with previous experience in space flight, a 3-person crew is to be selected so that exactly 1 person in the crew has previous experience in space flight. How many different crews of this type are possible?	Choose the correct choice.
A) 380	B) 370	C) 350	D) 360	E) 340
number of astronauts with previous experience = 10   Remaining =9   we need to pick exactly one from the first group   and 2 from the second group   (10C1)*(9C2)   =10*36= 
<gadget id="calculator">10*36</gadget>
<output>360</output>
360   Answer : 360
<result>D</result>
From a group of 19 astronauts that includes 10 people with previous experience in space flight, a 3-person crew is to be selected so that exactly 1 person in the crew has previous experience in space flight. How many different crews of this type are possible?