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Step by step text solution for A real estate man has eight master keys to open several new homes. Only one master key will open any given house. If 40% of these homes are usually left unlocked, what is the probability that the real estate man can get into a specific home if he selects three master keys at random before leaving the office? by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.
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CENGAGE PUBLICATION-PROBABILITY-All Questions
- Consider a sample space "S" representing the adults in a small town wh...
07:34
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- There are three coins, One is two headed coin, another is a biased coi...
04:13
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- A real estate man has eight master keys to open several new homes. O...
04:53
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- A card from a pack of 52 cards is lost. From the remaining cards of ...
05:34
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- An unbiased coin is tossed. If the result is a head, a pair of unbi...
05:10
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- A number is selected at random from the first 25 natural numbers. I...
03:54
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- The probability that a student is not a swimmer is 1/5 . Then the prob...
05:25
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- Aa n dB are two candidates seeking admission in IIT. The probability...
03:11
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- Probability that A speaks truth is 4/5 . A coin is tossed. A reports...
04:32
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- An urn contains 4 balls. Two balls are drawn at random from the urn...
09:49
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- If two events Aa n dB are such that P(A)=0. 3 ; P(B)=0. 4 ; P( ba...
04:10
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- Determine P" "(E|F) in : A coin is tossed three times, where (i) E...
10:43
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- Aa n dB play a series of games which cannot be drawn and p , q are ...
08:36
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- How many times must a man toss a fair coin so that the probability of ...
02:38
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- Suppose that 90% of people are right-handed. What is the probability t...
02:40
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- A die is thrown 7 times. What is the chance that an odd number turns...
03:14
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- If P(A)=0. 8 ,P(B)=0. 5 ,a n dP(B//A)=0. 4 , find (i) P(AnnB) (ii)P(A/...
02:42
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- Two dice are thrown. What is the probability that the sum of the nu...
03:29
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- What is the probability of guessing correctly at least 8 out of 10 ...
02:50
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- An experiment succeeds twice as often as it fails. Find the probabilit...
03:50
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