A coin is so weighted that P (T) = 2P(H) then P(H) is _______________?
A coin is so weighted that P (T) = 2P(H) then P(H) is _______________?
A. 1/2
B. 1
C. 2/3
D. 1/3
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Since E(X) _______X is said to be unbiased estimator of the population mean?
Since E(X) _______X is said to be unbiased estimator of the population mean?A. Q
B. X
C. Ux
D. uThe probability of a save event is equal to _________________?
The probability of a save event is equal to _________________?A. Two
B. Three
C. Four
D. OneThe sampling error is the_____________?
The sampling error is the_____________?A. Same as the standard error of the mean
B. Difference between the value of the sample mean and the value of the population mean
C. Error caused by selecting a bad sample
D. Standard deviation multiplied by the sample sizeThe class ___ are obtained when we divide the sums of the lower and upper class limits by 2?
The class ___ are obtained when we divide the sums of the lower and upper class limits by 2?A. Limit
B. Points
C. Marks
D. Class boundaryThe mean and variance of binomial distribution are ______________?
The mean and variance of binomial distribution are ______________?A. Unequal
B. Equal
C. Symmetrical
D. NoneA test is said to be most powerful test of size α, if_______________?
A test is said to be most powerful test of size α, if_______________?A. Among all other test of size α or less it has the largest power
B. Among all other test of size α or greater it has the largest 1 – α
C. Among all other test of size α or greater it has the smallest power
D. Among all other test of size α or greater it has the largest β