Please select a subject first
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If a letter is chosen at random from the English alphabet, find the probability that the letter is a consonant .
Concept: undefined >> undefined
In a lottery, a person chooses six different numbers at random from 1 to 20, and if these six numbers match with six number already fixed by the lottery committee, he wins the prize. What is the probability of winning the prize in the game?
Concept: undefined >> undefined
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Which of the cannot be valid assignment of probability for elementary events or outcomes of sample space S = {w1, w2, w3, w4, w5, w6, w7}:
| Elementary events: | w1 | w2 | w3 | w4 | w5 | w6 | w7 |
| (i) | 0.1 | 0.01 | 0.05 | 0.03 | 0.01 | 0.2 | 0.6 |
Concept: undefined >> undefined
Which of the cannot be valid assignment of probability for elementary events or outcomes of sample space S = {w1, w2, w3, w4, w5, w6, w7}:
| Elementary events: | w1 | w2 | w3 | w4 | w5 | w6 | w7 |
| (ii) |
\[\frac{1}{7}\]
|
\[\frac{1}{7}\]
|
\[\frac{1}{7}\]
|
\[\frac{1}{7}\]
|
\[\frac{1}{7}\]
|
\[\frac{1}{7}\]
|
\[\frac{1}{7}\]
|
Concept: undefined >> undefined
Which of the cannot be valid assignment of probability for elementary events or outcomes of sample space S = {w1, w2, w3, w4, w5, w6, w7}:
| Elementary events: | w1 | w2 | w3 | w4 | w5 | w6 | w7 |
| (iii) | 0.7 | 0.06 | 0.05 | 0.04 | 0.03 | 0.2 | 0.1 |
Concept: undefined >> undefined
Which of the cannot be valid assignment of probability for elementary events or outcomes of sample space S = {w1, w2, w3, w4, w5, w6, w7}:
| Elementary events: | w1 | w2 | w3 | w4 | w5 | w6 | w7 |
| (iv) |
\[\frac{1}{14}\]
|
\[\frac{2}{14}\]
|
\[\frac{3}{14}\]
|
\[\frac{4}{14}\]
|
\[\frac{5}{14}\]
|
\[\frac{6}{14}\]
|
\[\frac{15}{14}\]
|
Concept: undefined >> undefined
In a single throw of three dice, find the probability of getting the same number on all the three dice.
Concept: undefined >> undefined
A box contains 100 bulbs, 20 of which are defective. 10 bulbs are selected for inspection. Find the probability that: all 10 are defective
Concept: undefined >> undefined
A box contains 100 bulbs, 20 of which are defective. 10 bulbs are selected for inspection. Find the probability that all 10 are good
Concept: undefined >> undefined
A box contains 100 bulbs, 20 of which are defective. 10 bulbs are selected for inspection. Find the probability thatat least one is defective
Concept: undefined >> undefined
A box contains 100 bulbs, 20 of which are defective. 10 bulbs are selected for inspection. Find the probability that none is defective
Concept: undefined >> undefined
Two dice are thrown together. The probability that neither they show equal digits nor the sum of their digits is 9 will be
Concept: undefined >> undefined
Let A = {1, 2, 3} and B = {3, 4}. Find A × B and show it graphically.
Concept: undefined >> undefined
Find the square root of the following complex number:
−5 + 12i
Concept: undefined >> undefined
Find the square root of the following complex number:
−7 − 24i
Concept: undefined >> undefined
Find the square root of the following complex number:
1 − i
Concept: undefined >> undefined
Find the square root of the following complex number:
−8 − 6i
Concept: undefined >> undefined
Find the square root of the following complex number:
8 −15i
Concept: undefined >> undefined
Find the square root of the following complex number:
\[- 11 - 60\sqrt{- 1}\]
Concept: undefined >> undefined
Find the square root of the following complex number:
\[1 + 4\sqrt{- 3}\]
Concept: undefined >> undefined
