Discover new knowledge and insights with IDNLearn.com's extensive Q&A platform. Discover comprehensive answers to your questions from our community of experienced professionals.
A study of amount of time it takes for a teacher to cover a specific chapter in a math class shows a normal distribution curve with the mean of 7.5 hours and standard deviation of 1.5 hours. If 16 teachers are randomly selected, find: A. The probability that their mean time will be between 7 and 8 hours B. The probability that their mean will be below 7 or above 8 hours C. The probability that their mean will be below 7 and above 8 hours.
Sagot :
We are happy to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. Discover the answers you need at IDNLearn.com. Thanks for visiting, and come back soon for more valuable insights.
