We generally assume that when a coin is tossed it lands heads up with prob ability 0.5. It has been suggested, however, that if you do the experiment in a different way the chance might change. One such way is to stand the coin on edge on a hard flat surface, hold it upright with a finger and then flick the edge with a finger to send the coin spinning away. A group of 107 statistics students actually did this, 40 times each for a total of 4280 spins. (a) Suppose they got a total of 2376 heads. Give a 99% confidence interval for the probability that spinning produces heads.

MATLAB: An Introduction with Applications
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5. We generally assume that when a coin is tossed it lands heads up with prob ability
0.5. It has been suggested, however, that if you do the experiment in a different way
the chance might change. One such way is to stand the coin on edge on a hard flat
surface, hold it upright with a finger and then flick the edge with a finger to send the
coin spinning away.
A group of 107 statistics students actually did this, 40 times each for a total of 4280
spins.
(a) Suppose they got a total of 2376 heads. Give a 99% confidence interval for the
probability that spinning produces heads.
Transcribed Image Text:5. We generally assume that when a coin is tossed it lands heads up with prob ability 0.5. It has been suggested, however, that if you do the experiment in a different way the chance might change. One such way is to stand the coin on edge on a hard flat surface, hold it upright with a finger and then flick the edge with a finger to send the coin spinning away. A group of 107 statistics students actually did this, 40 times each for a total of 4280 spins. (a) Suppose they got a total of 2376 heads. Give a 99% confidence interval for the probability that spinning produces heads.
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