Hello,
i am solving my previous papers short questions please any body help me out actually i am not 100% sure about my answers.


For 9 observations all consisting of 4, the following relation between A.M, G.M and H.M. will hold:.
1)A.M.>G.M.>H.M
2)A.M. <G.M. <H.M
3)A.M. =G.M. =H.M.
4)None of these
If p( AUB) =P (A ) +P( B), then A and B are:.
1)Mutually exclusive.
2)Dependent.
3)Independent.4)None of these
In which distribution the successive trials are without replacement:
1)Hypergeometric distribution
2)Binomial distribution
3)Continuous distribution
4)None of these
A ______ is a subset of a _________.
1)Sample, population
2)Population, sample
3)Statistic, parameter
4)Parameter, statistic
If false hypothesis is accepted, it is called :.
1)Level of significance
2)Type-I error
3)Type-II error
4)None of these
For testing of hypothesis about population proportion, we use:
1. Z-test
2. t-test

3. Chi-square test
4. None of these

The points of inflection in normal distribution are:.
1)-, +
2)-2, +2xz
3),
4)None of these


Which of the following cannot be considered as null hypothesis
(H0 ) ?
1)θ=θ0
2)θLESS THEN EQUAL TO θ0
3)θGREATHER THEN EQUALθ0
4)θ>θ0