Teachoo Quiz

Short Quiz

Chapter 14 Class 11 Probability | 5 questions | about 4 minutes

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Question 1 of 5
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Question 1 of 5
A card is drawn at random from a standard deck of \(52\) playing cards. What is the probability that the card drawn is either a King OR a Heart?
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Question 2 of 5
A bag contains \(4\) red marbles, \(5\) blue marbles, and \(3\) yellow marbles. If one marble is drawn at random, what is the probability that it is NOT yellow?
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Question 3 of 5
A numeric lock on a safe has 4 rotating wheels, each labeled with digits \(0\) to \(9\). The lock opens with a specific sequence of 4 digits with NO repeated digits. If a person randomly guesses a sequence without repetition, what is the probability of opening the lock on the first attempt?
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Question 4 of 5
Consider the Venn diagram below showing events \(A\) and \(B\) in sample space \(S\). Given \(P(A) = 0.60\), \(P(B) = 0.45\), and \(P(A \cup B) = 0.75\), find the probability of the event '\(A\) occurs but \(B\) does not occur' (\(P(A \cap B')\)).
SA - BA∩BB - A
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Question 5 of 5
The probability that a student passes Exam A is \(0.8\) and Exam B is \(0.7\). The probability of passing at least one exam is \(0.95\). What is the probability of passing BOTH examinations?
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