Answer:
measurement of angle 3 is 140 degrees
Step-by-step explanation:
angle 4 = angle 2
angle A = angle 3
angle A = 180 - angle 4 = 180-40 = 140 degrees
Answer:
The standard deviation of the sampling distribution of x overbarx, denoted sigma Subscript x overbarσx, is called the standard error of the mean . The standard deviation of the sampling distribution of x overbarx, denoted sigma Subscript x overbarσx, is called the standard distribution of the sample.
Step-by-step explanation:
The standard error (SE) of a statistic is the standard deviation of its sampling distribution or an estimate of that standard deviation. It is called the standard error of the mean (SEM) if the parameter or the statistic is the mean.
What are we trying to find in this problem? Add details please
1 pack of 12 will give 4 students their pencils. 20/4 = 5