makhilawilison5692 makhilawilison5692

02-09-2018
Mathematics

contestada

A population of n ????20 scores has a mean of???????? 15. one score in the population is changed from x ???? 8 to x ???? 28. what is the value for the new population mean?

Respuesta :

sqdancefan sqdancefan

02-09-2018

20 has been added to the total of scores, so the new mean for the 20 scores will be 20/20 = 1 higher than it was.

The new population mean is 15+1 = 16.

Answer Link

Otras preguntas

The circumference of a circle is 31.4 miles. What is the circle's radius? C=31.4 mi Use ≈ 3.14 and round your answer to the nearest hundredth. miles

In the right triangle ΔABC with m∠C = 90°, m∠A = 75°, and AB= 12 cm. Find the area of ΔABC. Please help!!!

What are the goals of network security and what sorts of attacks do you need to defend against

Convert the following expressions with rational exponents to the radical form (2x)^5/3

Which processes are shown in the image above?

A set has 127 proper subsets. How many elements are there in the set?

In ΔEFG, g = 1.6 cm, e = 8 cm and ∠F=46°. Find ∠E, to the nearest 10th of a degree.

Find the slope using the slope formula: (−5,9) (−3,−1)

I need help with this math suff, its um Solving Inequalities, yeah :|

Please please Help will give brainliest!!! 100 POINTS Use the table to identify the values of p and q that should be used to factor x^2 + 3x - 10 as (x+p)(x+q)