Question

_{​​​​​​1.}

When Fernando took MAT 257 last semester, he got the same exact score, 85%, in both Test 1 and Test 2. If the class mean and standard deviation for Test 1 were 86% and 4%, respectively, while the class means to score and standard deviation for Test 2 were 86% and 5%, respectively, in which test did Fernando perform relatively better? Explain

2.

Normal Distribution: Assume that SAT verbal scores for a first-year class are normally distributed with μ= 520 and δ=75.

i. Find the probability that a randomly selected student scored between 445 and 595

ii. The top 2.5 % of the students are placed into the honors program for English. What is the lowest score for admittance into the honors program?

iii. What are the mode and the median for this data?

Answer 1