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let A be the event of getting exactly 3 defectives in the examination of six mobile phones And B be the event of getting seventh mobile phone is defective. Then, Required Probability = P(A∩B) = P(A) × P(B/A) Now, P(A) = 4C3 × 8C3 / 12C6 = (4!/3! × 8!/(5! ×3!))/(12!/(6! ×6!)) = (4 ×56)/924 = 8/33 And P(B/A) = Probability that the seventh examined mobile phones is defective given that there were three defectives in the first six pieces examined = 1/6 Hence, the Required Probability = 8/33 ×1/6 = 4/99
To agree to a demand or request
Fill in the blanks with the appropriate antonym of the word in Italic from the options given:
The expansive view stretched for miles, while t...
Choose the word opposite in meaning to the given word.
Plenitude
Laudable
Something that is about to happen
Select the most appropriate antonym of the given word.
Damage
Choose the correct synonym for the given word.
Fright
What is the synonym for the word "pedantic"?
Acrimony