Entry to a certain university is determined by an entrance test. The scores on this test are normally distributed with a mean of 500 and a standard deviation of 100. To wants to be admitted to this university and he knwos that he must score better than at least 70% of the students who took the test. Tom takes the test ans scored 585. Will he be admitted to this university?

Suppose that the mean score of a class of 35 students was 74. The 18 male students in the class had a mean score of 66. What was the mean score for the 17 female students? Mean Score for Female Students =

Kyle and Caleb began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Kyle took a test in Math and earned a 73.9, and Caleb took a test in Art History and earned a 70.5. Use the fact that all the students' test grades in the Math class had a mean of 73 and a standard deviation of 9,4, and all the students' test grades in Art History had a mean of 62 and a standard deviation of 10.3 to answer the following questions. * a) Calculate the z-score for Kyle's test grade. = 2 b) Calculate the z-score for Caleb's test grade. c) Which person did relatively better? O Kyle O Caleb O They did equally well. MacBook Pro 00 000 esc F4 F5 F6 F7 F1 F2 F3 24 4 %23 tab caps lock C2

Two thousand students took an exam. The scores on this exam are Normally distributed with mean =81 points and standard deviation =15 points. Then the middle 50% of the exam scores are between what two values?