subject
Mathematics, 19.09.2019 17:20 alowery89

Tommy teacher wants to analyze the weights of the students at his school. he knows the weight of the students is normally distributed so he can use the standard normal distribution. he measures the weight of 100 randomly selected students in the school. he finds the mean is 80 pounds and the standard deviation is 8 pounds.
out of 100 students, how many should weigh between 64 and 96 pounds?

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:00, JaredO
Plot the intercepts to graph the equation
Answers: 1
image
Mathematics, 22.06.2019 01:30, KillerSteamcar
Jacob is graphing the line represented by the equation  −6x−5y=12.−6x−5y=12.  he first plots the  x-x-  and  y-interceptsy-intercepts  as follows.    which statement is correct regarding the intercepts on the graph?
Answers: 1
image
Mathematics, 22.06.2019 02:20, Crxymia
Find the measurement of angle b in the following triangle
Answers: 2
image
Mathematics, 22.06.2019 03:30, milamdaniela
The distance between a football fsaid and a parking lot is 135 feet. what is that length in yards? 2 mickey needs to cut pieces of ribbon that are each 1 meter long to tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long, how many 1-meter pieces of ribbon can he cut? show work
Answers: 1
You know the right answer?
Tommy teacher wants to analyze the weights of the students at his school. he knows the weight of the...

Questions in other subjects: