subject
Mathematics, 07.04.2020 19:17 carebear60

Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. If there were 334 exams with scores of at least 89, how many students took the exam?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:50
Name the most appropriate metric unit for each measurement like a length of an carrot
Answers: 2
question
Mathematics, 21.06.2019 17:00
The following graph shows the consumer price index (cpi) for a fictional country from 1970 to 1980? a.) 1976 - 1978b.) 1972 - 1974c.) 1974 - 1976d.) 1978 - 1980
Answers: 1
question
Mathematics, 21.06.2019 23:20
The graph of y=x3 is transformed as shown in the graph below. which equation represents the transformed function?
Answers: 1
question
Mathematics, 21.06.2019 23:30
The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.
Answers: 1
You know the right answer?
Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standa...
Questions
question
Mathematics, 21.01.2021 06:00
question
Social Studies, 21.01.2021 06:00
question
Mathematics, 21.01.2021 06:00
question
Business, 21.01.2021 06:00