Mathematics, 22.02.2021 21:40 zitterkoph
The lengths of 23 newborns at the Dallas University Health Center were recorded.
The mean is 51 cm and the standard
deviation is 3 cm.
What is the range of lengths for a newborn that is 2 standard deviations away from the mean?
Answers: 3
Mathematics, 21.06.2019 23:30
In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.
Answers: 1
Mathematics, 22.06.2019 01:30
Mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.
Answers: 2
The lengths of 23 newborns at the Dallas University Health Center were recorded.
The mean is 51 cm...
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