A. 0.4869

**B. 0.5904**

C. 0.6234

D. 0.5834

Explanation:

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P(winning prize atleast on one ticket)

= 1 – P(“Losing on all tickets”)

= 1 – (0.8)4 = (1 + (0.8)2)(1 – (0.8)2)

= (1.64)(0.36) = 0.5904

### Related Mcqs:

- A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is__________?
**A. 25/42**

B. 9/20

C. 10/23

D. 41/42 - The probability that A speaks truth is 3/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?
**A. 18/35**

B. 12/35

C. 17/35

D. 19/35 - A coin is tossed live times. What is the probability that there is at the least one tail?
**A. 31/32**

B. 1/16

C. 1/2

D. 1/32 - A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good.
A. 6/63

B. 2/63

**C. 125/126**

D. 1/126 - In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples?
**A. 5/21**

B. 5/14

C. 9/14

D. 16/21 - Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?
A. 1/6

B. 5/8

C. 3/8

**D. 5/6** - The probability that a number selected at random from the first 50 natural numbers is a composite number is__________?
A. 21/25

**B. 17/25**

C. 4/25

D. 8/25 - If four coins are tossed, the probability of getting two heads and two tails is__________?
**A. 3/8**

B. 6/11

C. 2/5

D. 4/5 - If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is__________?
A. 1/4

**B. 1/2**

C. 3/4

D. 3/5 - Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is__________?
A. 7/12

**B. 5/9**

C. 1/36

D. 5/12

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