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Essential Questions Heads and Tails Coin simulation Birthdays USA 1978 Snowflakes Sequences Random binomials Benford's law Random triangles

QHE Questions:

Ronni flipped a coin three times and in all cases heads came up.

Ronni intends to flip the coin again.

Is the chance of getting tails with the fourth flip:

(a) Smaller than the chance of getting heads?

(b) Equal to the chance of getting heads?

(c) Greater than the chance of getting heads?

Fischbein (1997:98) (see bilbliography)

Which of the following is the most likely result of five flips of a fair coin?

(a) HHHTT

(b) THHTH

(c) THTTT

(d) HTHTH

(e) All four sequences are equally likely?

Which of the above sequences would be least likely to occur?

Konold et al (1993:397) (see bilbliography)