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Most Americans (58% kindergarten through surveyed about whet the binomial distribu standard deviation to 76. Find the probabili 77. Find the probabili K-12. 78. Find the probabili 79. Find the probabili K-12. 80. Find the probabili

Most Americans (58% kindergarten through surveyed about whet the binomial distribu standard deviation to 76. Find the probabili 77. Find the probabili K-12. 78. Find the probabili 79. Find the probabili K-12. 80. Find the probabili

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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76,77,78,79,80
Most Americans (58%) indicated that they liked studying math during their school years of kindergarten through 12th grade (Pew Research Center). Suppose 620 Americans were surveyed about whether they liked studying math in K-12. Use the normal curve to represent the binomial distribution and then find the indicated probabilities. Round the mean and standard deviation to the nearest whole number. 76. Find the probability that at most 348 of the surveyed adults liked studying math in K-12. 77. Find the probability that between 324 and 372 of the surveyed adults liked studying math in K-12. 78. Find the probability that at least 372 of the surveyed adults liked studying math in K-12. 79. Find the probability that between 336 and 384 of the surveyed adults liked studying math in K-12. 80. Find the probability that more than 384 of the surveyed adults liked studying math in K-12. Choices for 72-80: A) 0.475 AC) 0.003 CD) 0.95 B) 0.025 AD) 0.815 CE) 0.0235 C) 0.0015 AE) 0.027 DE) 0.5 D) 0.8385 BC) 0.997 ABC) 0.16 E) 0.4985 BD) 0.975 ABD) 0.34 AB) 0.84 BE) 0.135 ABE) 0.68
Transcribed Image Text:Most Americans (58%) indicated that they liked studying math during their school years of kindergarten through 12th grade (Pew Research Center). Suppose 620 Americans were surveyed about whether they liked studying math in K-12. Use the normal curve to represent the binomial distribution and then find the indicated probabilities. Round the mean and standard deviation to the nearest whole number. 76. Find the probability that at most 348 of the surveyed adults liked studying math in K-12. 77. Find the probability that between 324 and 372 of the surveyed adults liked studying math in K-12. 78. Find the probability that at least 372 of the surveyed adults liked studying math in K-12. 79. Find the probability that between 336 and 384 of the surveyed adults liked studying math in K-12. 80. Find the probability that more than 384 of the surveyed adults liked studying math in K-12. Choices for 72-80: A) 0.475 AC) 0.003 CD) 0.95 B) 0.025 AD) 0.815 CE) 0.0235 C) 0.0015 AE) 0.027 DE) 0.5 D) 0.8385 BC) 0.997 ABC) 0.16 E) 0.4985 BD) 0.975 ABD) 0.34 AB) 0.84 BE) 0.135 ABE) 0.68
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