554MathematicsMedium
If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (♦) or a club (♣)?
A26/52=1/2
B20/52
C13/52
D12/52
Correct answer
A. 26/52=1/2
Explanation
The correct answer is 26/52=1/2.
Correct answer
A. 26/52=1/2
Explanation
The correct answer is 26/52=1/2.
Sampling error can reduced by ________?
If in a binomial distribution n = 1 then E(X) is:________?
Fisher’s ideal index number is also obtained by ________?
In regression the sign of (B’s) and (r)?
which is poor measure of dispersion in open-end distribution ________?
The two regression co-efficient always have the ________ sign?