Recently, two students made headlines by spinning a certain type of coin 280 times and getting 168that's 60%. That makes the 90% confidence interval 55%,65%).

What does thismean? Are the conclusions in parts a through ecorrect? Explain your answers and answer if the following are true or false.

a) Between 55% and 65% of all coins of that type are unfair.

b) We are 90% sure that in this experiment this coin landed heads between 55% and 65% of the spins.

c) We are 90% sure that spun coins of this type will land heads between 55% and 65% of the time.

d) If you spin a coin of this type manytimes, you can be 90% sure of getting between 55% and 65% heads.

e) 90% of all spun coins of this type will land heads between 55% and 65% of the time.