1. Home
  2. Let’s assume that nationwide individual scores follow a Normal Distribution with the mean of 1100 and a standard deviation of 150. What percentage of individual students would you expect to get a score of 1150 or higher?

Let’s assume that nationwide individual scores follow a Normal Distribution with the mean of 1100 and a standard deviation of 150. What percentage of individual students would you expect to get a score of 1150 or higher?

For a study, 5 high school seniors’ names are chosen in a random drawing. Their SAT scores are: 1100, 1200, 900, 1250 and 950.
Mean is 1080
Standard deviation is 136.38
Answer the questions below:

Question #1: Let’s assume that nationwide individual scores follow a Normal Distribution with the mean of 1100 and a standard deviation of 150. What percentage of individual students would you expect to get a score of 1150 or higher?

Question #2: Let’s say that we sample 35 students from another school which is your typical American school (same individual mean and standard deviation as d above). If we were to take the average of the 35 students’ scores, what is the probability that their average would be higher than 1150?


    Make your order right away

    Confidentiality and privacy guaranteed

    satisfaction guaranteed

@ 2019 Brilliant Essay Help