26. Lots of coins. Suppose we toss 100 fair coins and record the percentage of heads. a. According to the Central Limit Theorem, the percentages of heads resulting from such experiments are approximately normally distributed. Find the mean and standard deviation of this normal distribution. b. What is the z-score for 55 heads? How about 60 heads? c. What percentage of tosses of 100 fair coins would show more than 55 heads? Round your answer to one decimal place as a percentage. € 100 how more than 60 heads? Round your answer to
26. Lots of coins. Suppose we toss 100 fair coins and record the percentage of heads. a. According to the Central Limit Theorem, the percentages of heads resulting from such experiments are approximately normally distributed. Find the mean and standard deviation of this normal distribution. b. What is the z-score for 55 heads? How about 60 heads? c. What percentage of tosses of 100 fair coins would show more than 55 heads? Round your answer to one decimal place as a percentage. € 100 how more than 60 heads? Round your answer to
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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