Question
Who made the historic record in the 400 meter race of
Under 20 World Championship?Solution
Hima Das made the historic record in the 400 meter race at the Under 20 World Championships. She won the gold medal in the 400 meters at the 2018 IAAF World U20 Championships, which made her the first Indian athlete to win a gold medal in a track event at a global meet at this level.
Two data sets of sizes 6 and 9 have standard deviation 3 and 4, respectively, and arithmetic means 4 and 4, respectively. The standard deviation of com...
If A and B are manually exclusive events such that P(A)P(B) > 0 , then which option is correct?
For the distribution
X: 1 0 1
P(x): 0.3 ...
A man pedals cycle from his house to his office at a speed of 10 km/h and back from the office to his house at a speed of 15 km/h. His average speed (i...
Which of the following is NOT a type of data classification?
If Z1, Z2,…Zn are n independent standard normal variates, then Σni=1 Z2i will follow:
If the first, second, and third moment about the origin are 2, 8, and 18 respectively, then third moment about mean is
The mean deviation from an average A will be minimum, if A represents:
If the occurrence of events follows Poisson Process with mean rate λ, then inter-occurrence time of events will follow:
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