What is the area under the normal curve between z = 0.0 and z = 1.50? 1) 0.567 2) 0.933 3) 0.067 4) 0.433 Question 5 (1 point) All possible samples of size 100 are selected from a population. The population variance of the random variable is 2,500. What is the standard error of the mean? 1) 0.50 2) 5.00 O 3) 35.00 4) 50.00 Question 6 (1 point) The population mean score of a college entrance test is 1,000; the population standard deviation is 100. The scores are normally distributed. What percent of the students scored above 950? 1) 19.1% 2) 80.9% 3) 30.9% 4) 69.1%