Athletes at a certain university have a long term graduation rate of 0.60 or 60%. The sampling distribution of the proportion of athletes graduating from this university for samples of size 300 would have a standard error, correct to 4 decimal places, σp^= ???

At the auction of the music collection, there is 1 masterpiece sheet music whose composer is unknown. A professor from the College of Music, Universität der Künste Berlin was asked to analyze who the score composer is. You are asked to help analyze statistically. The professor saw there were 2 names who may have been the composer, namely: Johann Strauss II and Tchaikovsky. The the professor also provides general data, namely the average number of tones per bar of each composer. Give the results of your analysis, who is the composer of the sheet music. Calculations are made using a spreadsheet! Note: Take the last 3 digits of your ID (2602296545 ). Use the step below: 1. For example, for example ID 2602296545  → 545 is taken. 2. Replace number 5 with number 1; example: ID 545 → 145 3. Last 3 digits of your new ID == abc; example 145: a = 1, bc = 45.

The age of student at a university are normally distributed with a mean of 20. What percentage of the student body is at least 20 years old?

In a 430-page manuscript, there are 270 randomly distributed misprints. Use the Poison approximation. Find the mean number 2 of misprints per page. Round to one decimal place as needed.

Draw a sorted stem-and-leaf diagram with six branches to show the following numbers. Remember to include the appropriate scale. 3 0.212 0.223 0.226 0.230 0.233 0.237 0.241 0.242 0.248 0.253 0.253 0.259 0.262

Suppose the length of human pregnancies from conception to birth varies according to a distribution that is normal with mean of 266 days and standard deviation of “alpha”. 11.7% of pregnancies last 284 days or more, find the variance of the distribution .

Please show work in Excel.