Question: Coin Flip a. Find the sample size required to estimate the proportion of times that a coin turns up heads when flipped, assuming that you

Coin Flip

a. Find the sample size required to estimate the proportion of times that a coin turns up heads when flipped, assuming that you want 92% confidence that the sample proportion is within 8% of the true population proportion.

b. Flip a coin the required number of times (found in part a) and record your results using tally marks, then totaling below:

Tally Marks Total

Heads

Tails

c. Compute your sample proportion for the number of heads flipped.

d. Construct the 92% confidence interval for your data.

e. Does your confidence interval contain .5 or 50%, the actual probability of a fair coin turning up heads?

f. Does your confidence interval suggest that your coin is a fair coin?Why or why not?

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