Question
Download Solution PDFA dice is rolled two times. Find the probability of getting a composite number on first roll and a prime number on second roll?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCalculation
Number of composite number in a dice are (4 and 6)
⇒ Probabilty of composite number in a dice = 2/6 = 1/3
⇒ Number of prime number in a dice = 2, 3 and 5
⇒ Probability of prime number in a dice = 3/6 = 1/2
∴The probability of getting a composite number on the first roll and a prime number on the second roll = 1/2 × 1/3 = 1/6
Last updated on Jun 12, 2025
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