PROBABILITY - 1 SHOT | Difficult to Easiest Chapter 🔥 Solving High Probability IMP Questions for NEB
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0:00- 0:15 Video Intro
0:15-3:25 Basic Concepts and Formula
3:25-6:32 Dependent, Independent events and Conditional Probability
6:32-7:58 What is the probability of getting 53 sunday in a leap year ?
7:58-9:05 What is the probability of getting 53 Friday or Saturday in a leap year ?
[NEB Model 2080]
9:05-12:38 If P(A)=0.45, P(B)=0.6 and P(AUB)=0.9 find i)P(A/B) ii)P(B/A) iii)P( A ̅/(B ) ̅)
12:38-14:06 If A and B are two independent events with P(A)=2/3 and P(B)=3/5, find P(AUB)
14:06-16:13 The probability that a person uses NTC mobile is 5/8 and the probability that a person uses both Ncell and NTC mobile is ¼. What is the probability that a person uses Ncell given that he/she has used NTC mobile?
16:13-19:39 A coin has tossed twice and possible outcomes are assumed to be equally likely. If E represent the event that both coins show the same face and F represent event that at least one head is observed. Find P(E),P(F),P(E∩𝐹), P(E/F) and P(F/E).
19:39-22:12 What is the probability that a couple’s second child is a boy given that their first child is girl?
22:12-24:24 In a certain college, 80% of students passed in English, 75% of students passed in Maths and 60% of students passed in both english and mathematics. A student is selected at random. Find probability that
He/she passes in Maths given that he/she passes in english.
He/she passes in English given that he/she passes in mathematics.
24:24-28:11 Conditional Probability Table Question | From Following table find the probability of selecting Male given that they are smokers and Female given that they are non smokers
28:11-33:16 A lot contains 10 items of which 3 are defective. Three items are chosen from the lot at random one after another without replacement. Find the probability that
i) All three are defective
ii) Only first one is defective.
33:16-38:48 A box contains 4 red and 6 white balls. Two balls are drawn one after the other without replacing the first ball. Find the probability that
Both balls are white
Both are red
First red and second white
One red and one white
38:48-42:33 An urn contains 6 green and 4 blue marbles. Two successive drawing of 2 balls are made such that two marbles drawn in 1st trial are not replaced before the second trial of drawing 2 marbles. Find the probability that
1st drawing will give 2 green and second draw giving 2 blue marbles.
Both trials give green marbles.
42:33-46:45 Two cards are drawn successively one after the other from a well shuffled pack of 52 cards. If the first card is not replaced, find the probability that
Both cards are black
First is black and 2nd red
Both cards are king