Computer Sciences > GATE 2021 SET-2 > Probability
For a given biased coin, the probability that the outcome of a toss is a head is 0.4. This coin is tossed 1,000 times. Let X denote the random variable whose value is the number of times that head appeared in these 1,000 tosses. The standard deviation of X (rounded to 2 decimal places) is _______.
Correct : 15.00 to 16.00
Similar Questions
In an examination, a student can choose the order in which two questions (QuesA and QuesB) must be attempted. If the first question is answered wrong, the stud...
In an examination, a student can choose the order in which two questions (QuesA and QuesB) must be attempted. If the first question is answered wrong, the stud...
In an examination, a student can choose the order in which two questions (QuesA and QuesB) must be attempted. If the first question is answered wrong, the stud...
Total Unique Visitors
Loading......