Astandardized exam's scores are normally distributed. in a recent year, the mean test score was 1459 and the standard deviation was 314. the test scores of four
students selected at random are 1860, 1200, 2190, and 1360. find the 2-scores that correspond to each value and determine whether any of the values are unusual
the z-score for 1860 is
(round to two decimal places as needed)
the 2-score for 1200 is
(round to two decimal places as needed)
the 2-score for 2190 is
(round to two decimal places as needed)
the z-score for 1360 is
(round to two decimal places as needed)
which values, if any, are unusual? select the correct choice below and, if necessary, fill in the answer box within your choice
oa the unusual value(s) isare
use a comma to separate answers as needed.)
b. none of the values are unusual
click to select your answer(s)
show all
x
bi020 2nd hw 1.docx
5: 15 pm
10711/2019