Mathematics, 07.08.2019 01:30 hannahsparks7073
Based on faa estimates the average age of the fleets of the 10 largest u. s. commercial passenger carriers is 13.4 years with a standard deviation of 1.7 years. suppose that 40 airplanes were randomly selected from the fleets of these 10 carriers and were inspected for cracks in these airplanes that are considered too large for flying. what is the probability that the average age of these 40 airplanes is at least 14 years old
Answers: 2
Mathematics, 21.06.2019 20:00
Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?
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Mathematics, 21.06.2019 21:00
Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?
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Mathematics, 21.06.2019 23:30
Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3
Answers: 1
Based on faa estimates the average age of the fleets of the 10 largest u. s. commercial passenger ca...
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