How long train remain at station if average speed is given
The subway train makes 6 stops of equal length during its 21 km run. Train is actually moving for 20 mins of trip. At most how long can train remain at each station if average speed for trip, comprising stops, is to be at least 36km/hr?
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The boat has the speed of 15 mph in still water. It travels downstream from Greentown, in three-fifths of an hour. Determine rate of current.
An urn haves 30 balls, of which 10 are red and 8 are blue. From this urn, 12 balls are randomly withdrawn. Let X denote number of red and Y the number of blue balls which are withdrawn. Find Cov(X,Y) by defining appropriate indicator (that is, Ber
The consultant traveled eight hours to attend the meeting. Return trip took only seven hours as speed was three miles per hour faster. Determine consultant's speed each way?
Determine which distribution fits this condition and what is the average number of defective units in sample? Determine the probability that the sample haves at least one defective unit?
At most how long can train remain at each station if average speed for trip, comprising stops, is to be at least 36km/hr?
Determine the estimated Prize and Adds of winning for the Price Level 1-of-5. Determine the estimated Prize and Adds of winning for the Price Level 0-of-5. Determine the probability of "not winning anything"?
Marylin drove the car from amarillo to dallas at the average rate of 55 miles per hour and returned over icy roads averaging only thirty miles per hour.
In one year, earnings growth of 500 largest US corporations averages 9.2%, the standard deviation was 3.5%. It can be guaranteed that the 84% of these earnings growth figures will be in what interval?
The girl running at the constant speed of 1.4m/s in the straight line throw the ball directly upward at 4.7 m/s. How far she will travel before ball drops back into the hand?
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