Answer:
Step-by-step explanation:
information given
represent the sample mean
represent the population standard deviation
sample size
represent the value that we want to test
represent the significance level for the hypothesis test.
z would represent the statistic
represent the p value for the test
Hypothesis to test
We want to test if the true mean is less than 12, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
Replacing the info given we got:
We can replace in formula (1) the info given like this:
Answer: 12 cm
Step-by-step explanation:
If the diameter of a circle increased by 6 centimeters it would be 12 cm because you still need to multiply 12 and to get your answer for the increase of the circumference.
Aloha!
First, add $20 and $20 and $20 and $20 because of the one $20 bill and the two ten dollar bills.
Add the 10 quarters which is 2.50 and add 12 nickles 60 cents or .60 then add 2 pennies.
The answer is $83.12 cents.
Now divide that by 4 which is 20.78
So to answer your question: 20.78 is how much each charity would get.
I hope this helps!:)
Answer:
49 or 7^2
Step-by-step explanation:
9 x 5 + 4
=> 45 + 4
=> 49 or 7^2