Mathematics, 20.04.2021 06:40 elondamason
The students' scores on a standardized test with a
normal distribution have a mean of 500 and a
standard deviation of 40. What percent of the
students scored between 420 and 580?
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 16:30
Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88
Answers: 1
Mathematics, 21.06.2019 20:40
The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?
Answers: 2
Mathematics, 21.06.2019 20:40
Lines a and b are parallel. what is the value of x? -5 -10 -35 -55
Answers: 2
You know the right answer?
The students' scores on a standardized test with a
normal distribution have a mean of 500 and a
Questions
Mathematics, 21.10.2020 17:01
History, 21.10.2020 17:01
Mathematics, 21.10.2020 17:01
English, 21.10.2020 17:01
Business, 21.10.2020 17:01
Spanish, 21.10.2020 17:01
Mathematics, 21.10.2020 17:01
History, 21.10.2020 17:01
Health, 21.10.2020 17:01
Mathematics, 21.10.2020 17:01
Mathematics, 21.10.2020 17:01
