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For drivers in the 20-24 age bracket, there is a 34% rate of car accidents in one year (based on data from the National Safety Council.) An insurance investigator finds that in a group of 500 randomly selected drivers aged 20-24 living in New York City , 40% had accidents in the last year. If the 34% rate is correct, estimate the probability that in a group of 500 randomly selected drivers, at least 40% had accidents in the last year. Based on that result, is there strong evidence supporting the claim that the accident rate in New York City is higher than 34%?
To two decimal places, what is the value of the positive root in the auxiliary equation?
Prove that there exists only one 4-regular maximal planar graph.
a store was for 26,500 20,000 was paid in cash and the remainder was paid for with land value at $50 an acre how many acres of land were received.
If you have 284 feet of fencing and want to enclose a rectangular area up against a long, straight wall, what is the largest area you can enclose? Give your answer correct to the nearest square foot.
Determine the intervals on which 'f ' is concave up and the intervals on which 'f ' is concave down. Find the values of all local minima and local maxima of 'f '. Explain why each value you find is a minimum or a maximum.
A child applies the brakes on a bicycle by applying a downward force of 20 pounds on the pedal when the crank makes a 40 degrees angel with the horizontal. The crank is 6 inches in length. Find the torque at P.
Express the volume of this region as a single triple integral in rectangular coordinates and Express this integral in terms of one or more integrals in the order dz dx dy.
Clarification of Probability Distribution. Determine whether each of the distributions given below represents a probability distribution. Justify your answer.
Describe how to apply the result (c) to minimizing the cost constructing a power transmission cable tat costs c1 dollars per mile under water and c2 dollars per mile over land.
The John Hancock Center in Chicago has a rectangular base. The length of the base measures 65 feet less than twice the width. The perimeter of this base is 860 feet. What are the dimensions of the base?
Train A leaves a station traveling at 64 kilometers per hour. Two hours later, train B leaves the same station traveling in the same direction at 84 kilometers per hour. How long does it take train B to catch up to train A?
Find the equilibrium solution Weq of the DE, and interpret it in ?financial terms.
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