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At alpha =0.05, can you support claim that proportion of U.S. adults who favor mandatory testing to estimate how well schools are teaching students is less than it was nine years ago?
Assume number of accidents occur at the certain intersection for the given week has the Poisson distribution with parameter lamda unknown. Determine the unbiased estimator of lamda.
According to normal model, what proportion of existing pillars has heights greater than 350 nm? Describe your answer.
Wind velocity is 30 km/h in direction 26 degrees north of west. Determine resultant velocity representing path of airplane with respect to ground.
The GMAT scores from the sample of 50 applicants to the MBA program point out that none of applicants scored below 450. Determine percentage of applicants scored between given value 500 and 549?
Using compass, she discovers that ship's azimuth (direction measured as the angle from north) s 302 degrees and that of island is 49 degrees. Determine distance between ship and island?
Sketch spectrums for range from 0Hz to 25000Hz. Ensure to labele frequencies. Plot recovered analog signal spectrum if ideal lowpass filter with the cutoff frequency of 4.5 khz is used to filter sam
If car A reaches mile marker M 20 minutes before car B, how much time will elapse between time that car B reaches mile marker M and time that car B reaches car A?
Find the speed of themotorboat in still water and speed of river current, if it takes three hrs to travel the distance of 45 miles upstream and two hours to travel 50 miles downstream.
The widow received 1/3 of the husband's estate, and each of the three sons recieved 1/3 of balance. If widow and one of her sons recieved the total of 60,000 from estate, determine the amount of est
His distances at times of 1, 2, and 3 seconds since he left board are 24, 18, and 2 meters above water, respectively. How to write specific equation expressing distance in terms of time?
The biker rode first 20 miles of the trip at the constant rate. For next sixteen miles, biker decreased his speed by 2 mph. Total time for 36 miles was 4 hours. Determine rate of biker for each leg
If car A is in lead traveling at 60 mph and car B is 50 feet behind car A traveling at 65 mph, how many feet it will take for car B to pass and gain 50 foot lead on car A without exceeding speed lim
The plane that can fly 100 miles an hour in still air can fly 500 miles with the wind that is blowing at the certain rate in 5/8 of time it would need to fly 500 miles against the wind blowing at sa
Cycling rate was 4 times walking rate. Time spent cycling and walking was 5 h. Determine rate at which cyclist was riding.
Nine sixteenths of the girls thought that saltations was salubrious. If other 700 girls were undecided, how many girls had made the minds concerning the topic?
Flying against jetstream, the jet travels 5250km in 7 hours. Flying with jetstream, same jet travels 4920km in 4 hours. Find speed of jet in still air, and speed of jetstream?
14 hours later the diesel train left traveling at 45km/h in the effort to catch up to cattle train. After traveling 4 hours diesel train finally caught up. Find cattle train's average speed?
The aircraft 200 kilometers away is flying toward the air base at 350 kilometers. How long it will take the plane flying from base at 450 kilmeters per hour to interecept first aircraft?
After all handshakes were completed, Mr. Smith inquired every person, comprising his wife, how many hands he or she had shaken. To his surprise, every person gave the different answer. How many hand
Every Hunter prefers fraction 1/k of stag to the hare, but prefers hare to any smaller fraction of stage, where k is integer with m < k < n. Determine Nash Equilibria of the model.
In other hour she passes the third marker with same 2 numbers separated by the zero. Determine rate of Alice's car in miles per hour?
Other train N leaves station B at 7 a.m and reaches station A at given time 10.30 a.m. Find time when two trains cross one another?
If houses are connected by the straight highway running east-west (no stoplight or towns in way) and are 350 miles apart. How far from johns house will they meet? At what time will they meet?
Suppose that each runner maintains the constant speed throughout race, by how many feet second-place runner beats third-place runner?