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A lot consists of 144 ball pens of which...

A lot consists of 144 ball pens of which 20 are defective and the others are good. Nuri will buy a pen if it is good, but will not buy if it is defective. The shopkeeper draws one pen at random and gives it to her. What is the probability that (i

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The correct Answer is:
`(5)/(36)`
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A lot consists of 144 ball pens of which 20 are defective and others good.Nuri will buy a pen if it is good,but will not buy if it is defective. The shopkeeper draws one pen at random and gives it to her.What is the probability that (i) She will buy it? (ii) She will not buy it?

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A lot consists of 48 mobile phones of which 42 are good, 3 have only minor defected and 3 have major defects. Varnika will but a phone if its is good but the trader will only buy a mobile, if it has no major defect. One phone is selected at random from the lot. What is the probability that t is (i) accetable to Varnika? (ii) acceptable to the trader.

A lot consists of 48 moblie phone of which 42 are good , 3 have only minor defects and 3 have major defect. Varnika will buy a phone , if it is good but the trade will only buy a moblie if it has no mojar defect.One Phone is selected at random from the lot what is probability that it is . (i) acceptable to Varnika ? (ii) acceptable to trade ?

A lot of 25 bulbs contain 5 defective ones. One bulb is drawn at random from the lot. What is the probability that the bulb is good.

A lot of 20 bulbs contains 4 defective ones. One bulb is drawn at random from the lot. What is the probability that this bulb is defective?

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A lot of 20 bulbs contain 4 defective ones.One bulb is drawn at random from the lot.What is the probability that this bulb is defective?

A carton consists of 100 shirts of which 88 are good. 8 have minor defects and 4 have major defects. Jimmy, a trader, will only accept the shirts which are good, but Sujatha, another trader, will only reject the shirts which have major defects. One shirt is drawn at random from the carton. What is the probability that (i) it is acceptable to Jimmy? (ii) it is acceptable to Sujatha?

MBD -HARYANA BOARD-PROBABILITY -SHORT ANSWER TYPE QUESTIONS
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  3. One card is drawn from a well - shuffled deck of cards . Find the prob...

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  4. One card is drawn from a well - shuffled deck of cards . Find the prob...

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  5. One card is drawn from a well - shuffled deck of cards . Find the prob...

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  6. A box contains 5 red , 8 white and 4 green balls . A ball is drawn at ...

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  7. A card is drawn from a well shuffled deck of playing cards. Find the p...

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  8. A box contains 6 red 7 white and 5 black balls . A ball is drawn at ra...

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  9. A card is drawn from a well shuffled pack of playing cards . Find the ...

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  10. It is given that in a group of 3 students the probability of 2 student...

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  11. A die is thrown once . Find the probability of getting any number lyin...

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  12. A box contains 3 blue 2 white and 4 red marbles . If a marble is drawn...

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  13. A bag contains 3 red balls and 5 black balls. A ball is drawn at ra...

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  14. Five cards the ten, jack, queen king and ace of diamonds, are well...

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  15. A game of chance consists of spinning an arrow which comes to rest poi...

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  16. A lot of 20 eggs contains 5 defective eggs . One egg is drawn at rando...

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  17. A die is thrown once. Find the probability of getting (i) a prime numb...

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  18. A box contains 90 discs which are numbered from 1 to 90. If one disc ...

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  19. 12 defective pens are accidently mixed with 132 good ones. It is no...

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  20. A lot consists of 144 ball pens of which 20 are defective and the o...

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