Calculate Harmonic mean for the following series: (1) 10,20,25,40,50 (ii) X: 0-10 10-20 20-30 30-40 40-50 F: 8 15 20 4 3
SIKSHAPATH Latest Questions
The following data is given for variable values and frequencies x: 0,1,2,3,4,5,6,7,8 and frequencies f: 1,8,28,56,70,56,28,8,1. Find Mu one, Mu two, Mu three and Beta two of the distribution.
Out of 800 families with 4 children each, how many families would be expected to have (1) two boys 2 girls (2) at least one boy (3) no girl (4) at most two girls ? Assume equal probabilities for boys and girls ?
Fit a Binomial Distribution to the following frequency data : x: 0 1 3 4 f: 28 62 10 4
Six coins are tossed 6400 times. Using the poisson distribution, determine the approximate probability of getting six heads x times.
Question 1 2 Points Assume that on an average one telephone number out of fifteen is busy. What is the probability that if six randomly selected telephone numbers are called: (1) not more than three will be busy? (2) at least three ...