Answer:
A. -1.6; not significant
Step-by-step explanation:
The z-score of a data set that is normally distributed with a mean of and a standard deviation of , is given by:
.
From the question, the test score is: , the mean is , and the standard deviation is .
We just have to plug these values into the above formula to obtain:
.
This simplifies to: .
.
We can see that the z-score falls within two standard deviations of the mean.
Since the value is not significant.
The correct answer is A. -1.6; not significant
Since it is times 7 each time it will be 16807
Answer:
120 degrees
Step-by-step explanation:
Angle 1 is congruent to angle 5 by the corresponding angles theorem.
Answer:
B) 14/2
Step-by-step explanation: 1/7 is a smaller number over a larger number, and we want a larger number over the bottom number for a whole number. 2/7 is the same reason. 20/3 as a whole number is 6 and 2/3 so no. 14/2 is the only answer
Answer:
d
Step-by-step explanation:
it should be d. if not im sorry for giving you the wrong answerbut im pretty sure the answer is d. hope this helps:)