Mathematics, 10.03.2020 01:02 mariahbrooks
Hotels, like airline, often overbook, counting on the fact that some people with reservations will cancel at the last minute. A certain hotel chain finds 20% of the reservations will not be used. Let the Binomial random variable X be the number of reservations canceled. If we randomly selected 15 reservations, what is the probability that more than 8 but less than 12 reservations will be used?
Answers: 2
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Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?
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Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis
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