Answer:
ndkndksndssjsjsjsjsjs nsj
Step-by-step explanation:
Answer:
The required hypothesis to test is
and
.
Step-by-step explanation:
Consider the provided information.
It is given that the nightclub has recently surveyed a random sample of n = 250 customers of the club.
She would now like to determine whether or not the mean age of her customers is over 30.
Null hypotheses is represents as
. Thus the null hypotheses is shown as:

The alternative hypotheses is represents as
. Thus the alternative hypotheses is shown as:

Hence, the required hypothesis to test is
and
.
It is C) 2.55 because i was taught that you can subtract the negative from the positive. 5.35-2.8=2.55 and it is positive
Answer:
what is this topic in math?
Answer:
3-3 -4-3=0
Step-by-step explanation:
just divide 3-3 and -4-1 and u get your answer