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Flight Attendants How many different ways can 3 flight attendants be selected from 11 flight attendants for a routine flight?
165
Intro Stats / AP Statistics
Chapter 4
Probability and Counting Rules
Section 4
Counting Rules
Sampling and Data
Probability Topics
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here we have to find her thought. Different ways can be selector to Flight Three flight attendants from 11 flight attendants. Now we will write about statements in Expression V that he's living see 30 here Total number off attendants are living Andi from 11. We had to find out only three attendants. It looks like N c art and C are equal toe in factorial divided and minus R factorial in tow. R factorial and equal to living and are equal toe three. Now we will put the values off. Any are uniformly so live in see three equal toe live in factorial Do you read it? By and minus. R is 11 minus three factorial into three fact Aurea now will We will experience, though live in factorial. So 11 in tow, then into nine into eight Factorial divided by Levin minus three is eight factorial in tow three. Effect Odin, We will cancel eight. Factory in numerator and denominator now V how 11 in tow. 10 into nine, divided by three in tow. Two into one Now we will simplify them. No matter the UN denominator, we will get 1 65 ways to select the three attendants
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