Type II error occurs when
The type I error occurs when the null hypothesis is wrongly rejected. The type II error occurs when the null hypothesis is wrongly not rejected.
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 25 minutes to cover 50 km in downstream, then find th...
The velocity of a vessel in calm waters is 4.5 times the speed of the current. If the disparity between the boat's speed when moving against the current...
If a man rows at the rate of 14 kmph in still water and his rate against the current is 5 kmph, then the man’s rate along the current is:...
The difference between the downstream speed and the upstream speed of a boat is 6km/hr and the boat travels 72km from C to D (downstream) in 4 hours. Th...
A man can row one quarters of a kilometer against the stream in 30/4 minutes and return in 5/2 minutes. The speed of the man in still water is:
A man can go on a motor boat with a speed of 15 km/hour in still water, he goes to a certain distance upstream and come back to the starting point in a ...
Speed of a boat in still water to speed of boat in upstream is 9:5. If the boat can travel 390 km in downstream in 5 hours, then find the time taken by ...
A boat takes 5 hours to cover 190 km upstream and 8 hours to cover 416 km downstream. Find the time taken by the boat to cover 528 km upstream and 540 k...
The speed of current is 4 km/h. What will be the respective downstream speed and upstream speed of a boy rowing a boat, if half of the distance covered ...
A man rows a boat a certain distance downstream in 9 hours, while it takes 18 hours to row the same distance upstream. How many hours will it take him t...
