Can you please explain also in words, because last time they sent me the work, but I did not understand anything. Thank you for your time Problem: According to the National Center for Education...



Can you please explain also in words, because last time they sent me the work, but I did not understand anything.  Thank you for your time



Problem:



According to the National Center for Education Statistics, 66% of fourth-graders could read at a basic level in a recent year. Suppose that eight fourth-graders are randomly selected.




  • Find the probability that exactly five of them can read at a basic level.




  • Find the probability that more than six of them can read at a basic level.


What to do:




  • Discrete Probability Distributions
    (If so, in addition to answering word problem: find the mean, variance, and standard deviation. Explain and show work.),


  • Normal Distributions
    (If so, in addition to answering word problem: sketch and label the Normal Distribution Curve; sketch and label the standard normal curve; and compute the z-score. Explain and show work.),


  • Confidence Intervals
    (If so, in addition to answering word problem: determine the critical value by table or calculator. Explain and show work.),


  • Hypothesis Testing
    (If so, in addition to answering word problem: compute the test statistic. Explain and show work.), or


  • Correlation/Regression
    (If so, in addition to answering word problem: compute correlation coefficient. Explain and show work.)




Jun 07, 2022
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