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Examine some coin-tossing trials. Use the Probability applet to generate 25 tosses of a fair (set the probability of heads to 0.5) coin. Record the sample proportion (this number appears in the upper-left part of the display). Using the "Reset" button, repeat until you have 30 trials, each with 25 tosses.
(a) Open the One-Variable Statistical Calculator applet and enter the sample proportions for your 30 trials. Summarize the data using the information provided in the applet.
(b) Count the number of times the sample proportion is above 0.5. How does this number compare with what you would expect? Explain your answer.
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