Mathematics, 23.02.2021 23:10 kale2158
Standardized tests for certain subjects, given to high school students, are scored on a scale of 1 to 5. Let X represent the score on a randomly selected exam. The distribution of scores for one subject’s standardized test is given in the table.
A 2-column table with 5 rows. Column 1 is labeled score with entries 1, 2, 3, 4, 5. Column 2 is labeled probability with entries 0.18, 0.20, 0.26, 0.21, 0.15.
What is the standard deviation of the distribution?
1.3
1.6
1.7
2.5
Answers: 3
Mathematics, 22.06.2019 00:30
Aline has a slope of negative 1/4 the past two points -5/4 and 1 what is the equation of the line
Answers: 2
Mathematics, 22.06.2019 00:30
Jenny borrowed $500 for five years at 4 percent interest, compounded annually. what is the total amount she will have paid when she pays off the loan? total amount = p (1 + i)t a. $608.33 b. $729.99 c. $765.77 reset next
Answers: 1
Mathematics, 22.06.2019 02:00
Hannah reads at a constant rate of 33 pages every 88 minutes. write an equation that shows the relationship between pp, the number of pages she reads, and mm, the number of minutes she spends reading.
Answers: 1
Standardized tests for certain subjects, given to high school students, are scored on a scale of 1 t...
Biology, 19.11.2019 03:31
History, 19.11.2019 03:31
Health, 19.11.2019 03:31
Mathematics, 19.11.2019 03:31
Mathematics, 19.11.2019 03:31
Chemistry, 19.11.2019 03:31
Mathematics, 19.11.2019 03:31