Question
If the expected value of the error is not zero,
it is a problem only if this expected value isSolution
Two cards are drawn successively without replacement from a standard deck of 52 cards. Find the probability that both cards are of the same suit.
In a purple box there are 2 white, 8 black, and 5 yellow markers while in an orange box there are 4 white, 6 black, and 7 yellow markers. One marker is ...
The profit from sales, amounting to Rs. 4,200, is distributed between two salesmen, 'Amit' and 'Bheem,' in such a way that 'Amit' receives more money th...
- A basket contains x green apples, (x + 2) red apples and (x + 10) yellow apples. If probability of getting a red apple is 1/8 more than that of getting a g...
- In a game, a coin is tossed 4 times. βAβ wins if the number of heads is equal to the number of tails. What is the probability that βAβ wins?
There are 14 boys and 6 girls giving interview for a job. If three of them are selected, then what is the probability that one of the three is a girl an...
- 16 defective mobile phones were accidentally packed with 144 working phones. One mobile phone is randomly taken out. Find the probability that the selected...
- Two students are selected randomly without replacement from a group of 8 boys and 4 girls. Find the probability that both selected students are girls.
- A bag contains βxβ red balls and 4 green balls. If the probability of getting a red ball is 3/5, then find the probability of getting different coloure...
P(defective) = 0.04. Find probability that exactly 2 of 3 laptops are defective.