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Experimental/Empirical Probability

A lottery has...

Question

A lottery has a $0.00002$ probability of winning first prize. How many tickets have been sold for the lottery?

A

2000

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B

50000

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C

53629

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D

100000

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Solution

The correct option is B $50000$
A lottery has a 0.00002 probability of winning first prize
the probability of winning first prize is $1$
Hence total tickets $= \frac{1}{P (E)} = \frac{100000}{2} = 50000$

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Similar questions

Q. A student calculates that the probability of his winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has he bought?
(a) 120
(b) 240
(c) 480
(d) 760

1000

tickets of a lottery were sold and there are

5

prizes on these tickets. If Saket has purchased on lottery tickets what is the probability of winning a prize?

Q. Question 23
A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, then how many tickets has she bought?
(a) 40
(b) 240
(c) 480
(d) 750

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