Answer:
B. It is reasonable to use the? z-interval procedure in this case? since, although the sample is small? (size less than? 15), the variable under consideration is very close to being normally distributed.
Step-by-step explanation:
answer b is considered to be correct because we know that the population is normal and the standard deviation is known, which allows using the interval z, the answer A is not correct because although the option to use the interval z is given, which is correct, the large sample is not favored, the answer C and D are incorrect because they both reject the use of the z interval and in d it is further rejected that although there is a normal distribution the sample is not, which is false
Answer:
C) any eqaution that has a variable or number squared is a qaudratic equation
Answer:
Choice A.

Step-by-step explanation:
Use graphing calculator
Answer:
as below
Step-by-step explanation:
it's negative 4 or -4 is the rate of change or aka the slope
show the teacher the graph, which is free and also online. ( Demos )
:) you can make that graph also is my point