subject
Mathematics, 21.04.2021 01:30 austinmiller3030

The data set with the results of a test for 1000 students is approximated by a bell curve. The mean score was 72%. The standard deviation was 7%. Based on this information, what is the best approximation for the number of students who scored 80% or better? 16 800 309 159

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place
Answers: 1
question
Mathematics, 21.06.2019 22:00
(01.04 lc)multiply 1 over 6 multiplied by negative 1 over 2. negative 1 over 3 negative 1 over 12 1 over 12 1 over 3
Answers: 1
question
Mathematics, 21.06.2019 22:50
If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅
Answers: 1
question
Mathematics, 22.06.2019 02:00
The deepest part of the swimming pool is 12 feet deep.the shallowest part of the pool is 3 feet deep.what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?
Answers: 1
You know the right answer?
The data set with the results of a test for 1000 students is approximated by a bell curve. The mean...
Questions
question
Mathematics, 05.12.2020 07:10
question
Mathematics, 05.12.2020 07:10
question
History, 05.12.2020 07:10
question
Mathematics, 05.12.2020 07:10
question
Mathematics, 05.12.2020 07:10
question
Mathematics, 05.12.2020 07:10
question
Mathematics, 05.12.2020 07:10
question
Arts, 05.12.2020 07:10
question
Mathematics, 05.12.2020 07:10
question
Mathematics, 05.12.2020 07:10
question
English, 05.12.2020 07:10