Determine probability that randomly chosen student
Among students 70% own a car, 50% own a bike and 40% own both.
(a) Determine a probability that a randomly chosen student own a least one of the above vehicles.
(b) What is a probability that a randomly chosen student does not own a bike?
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Your average rate on return trip is 30 miles per hour faster that the average rate on outgoing trip. If round trip takes two hours, find the average rate on outgoing trip to work?
Two planes leave chicago at 8am, one traveling west at the speed 75 mph faster than other, that is headed east. At 11am, planes are 2,175 miles apart. How fast are planes travelling?
Which of the following isn't the binomial distribution and why? Justify your answer. Tossing a fair quarter 10 times and looking at number of heads that shows up.
After flying for five hrs, a pilot increased his speed 10 mph. Complete flying time was 8 hrs, and distance was 1,532 mi. Determine rate of flying after speed was increased?
Among students 70% own a car, 50% own a bike and 40% own both. Determine a probability that a randomly chosen student own a least one of the above vehicles.
Determine the area under the standard normal curve for following:
Roof has one foot overhangs all around. Lowest cost you can determine for shingles is $40 per square. Compute cost of replacing shingles on house.
In the following situation identify the implied population.
The plane took 1 hour longer to travel 560 miles on first portion of flight than it took to fly 480 miles on second portion. If speed was same for every portion, find flying time for second part of trip?
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