subject
Mathematics, 13.10.2020 08:01 mxddisonxo

On a unit test in a statistics class, the teacher determines that the mean test grade was 77.5 with a standard deviation of 5.2. One student’s test grade was 91. What is the z-score for the student’s test? –5.20
–2.60
2.60
5.20

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:10
To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz
Answers: 1
question
Mathematics, 21.06.2019 21:00
Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !
Answers: 1
question
Mathematics, 22.06.2019 00:10
What is the best estimate of the length of a football
Answers: 1
question
Mathematics, 22.06.2019 00:30
Francisco's credit card has an apr of 28.98%, calculated on the previous monthly balance. his credit card record for the last 7 months is shown in the table below francisco is trying to figure out what this all means. answer the following questions: what is the total amount that francisco has paid in interest over the 7 months? what is the total amount that francisco has made in payments over the 7 months? how much of francisco's payments have gone to paying down the principal on his account? what is francisco's new balance at the end of month 8? what will francisco be charged for interest for month 8?
Answers: 2
You know the right answer?
On a unit test in a statistics class, the teacher determines that the mean test grade was 77.5 with...
Questions
question
Mathematics, 01.11.2020 14:00
question
Mathematics, 01.11.2020 14:00
question
Mathematics, 01.11.2020 14:00
question
Mathematics, 01.11.2020 14:00
question
Mathematics, 01.11.2020 14:00
question
Mathematics, 01.11.2020 14:00
Questions on the website: 13722363