Math, asked by adityasharma8084231, 23 hours ago

20. Three unbiased coins are tossed once, what is the probability of getting at least 1 head?

Answers

Answered by anushka9620

1

Answer:

7/8

Step-by-step explanation:

Probability of getting at least one head = 1 − Probability of getting zero heads

Probability of getting zero heads = Probability of getting all tails (TTT) =

1/2 ³

Probability of getting at least one head =

1 - 1/8 = 7/8

Previous Question

Next Question

Similar questions

Social Sciences, 12 hours ago

what is your opinion about mamata banerjee...

Biology, 12 hours ago

50. Ecological Niche of a tiger is- (A) Forest (B) Both of these (C) Cave (D) None of these...

Math, 12 hours ago

Find two rational numbers and two irrational numbers between 3.2 and 3.4...

Physics, 23 hours ago

iam really SORYY students...

Environmental Sciences, 23 hours ago

When do you find your sense of smell helpful to you? List some examples. Like-to know by its smell that food has gone bad or that something is burning, • Name the animals that you would be able to recognise only by their smell, without seeing them?

English, 7 months ago

Prepare some sprouts of moong .wash them in water everyday and drain all the water let them grow for a week until the whole of seeds grow into young plants measure the length of the sprouts using a string take care that do not break prepare abar graph of the number of sprouts having length in different ranges...

Science, 7 months ago

Define the following terms :- Q.2 a) Nutrients b) Germs c) Cape d) Island e) Diet f) peninsula...

Hindi, 7 months ago

Main Bade hokar Banna chahta hun doctor Uske bare mein line...