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make a tree diagram for two coins that are tossed. Find the theoretical probability that at least one coin is heads. Express the probability as a decimal

A. 0.5
B. 0.75
C. 0.8 There is no diagram present

Sagot :

The answer is B

4 possibilities

H H
T H
H T
T T
Parrain

Based on a tree diagram of the possibilities when two coins are tossed, the theoretical probability that at least one coin is heads is B. 075.

What is the probability that one coin is heads?

If two coins are thrown, the possibilities would be:

  • Head - Head.
  • Head - Tail.
  • Tail - Head.
  • Tail - Tail.

There are therefore 4 possibilities and of these, heads will theoretically appear in 3.

Probability is therefore:
= 3 / 4

= 0.75

Find out more on tree diagrams at https://brainly.com/question/3854375.

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