From Cosine rule, we get BC2 = AB2 + AC2 - 2AB.AC.cos A 36=25+100-2×5×10×Cos A 100CosA=125-36=89 cos A = 89/100 .
For the distribution with unknown θ
We set the tes...
Which one is not non-probability sample method
The median of the following observations 10, 11, 9, 12, 10,10, 12, 10, 9,11 is:
The coefficient of correlation is the _________ of coefficients of regression.
For the cumulative distribution function
the upper quartile point is
The mean and median of the distribution is 12 and 15. Then the mode equals to:
For the distribution
X: 1 0 1
P(x): 0.3 ...
The curve obtained by joining the points, whose x-coordinates are the upper limits of the class interval and y-coordinates are corresponding cumulative...
Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is:
In a 3 races, 2 genders and 5 in each treatments group for two -way ANOVA, the degree of freedom for source of variation due to interaction, error and ...
