Answer:
7 & a half hours
Step-by-step explanation:
390÷52= 7.5hr or 7 & a half hours
Answer:
.4 repeating
Step-by-step explanation: divide the top number by the bottom number so 4 divided by 9
Answer:
the missing number is 18
Step-by-step explanation:
What would you do to 7 to get 21? multiply by 3. you would do the same to the 6.
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
.
Ultimately, the question is "What is 5% of $279.95?"
To answer this, multiply 279.95 by 5%, or 0.05 which is 5% in decimal form.