Answer:
27/40
Step-by-step explanation:
Find the lowest common denominator
Answer: neither
Explanation:
x^3 can be either even or odd
Ex: x = 2 then 2^3 = 8 = even
Ex: x = 3 then 3^3 = 27 = odd
x^2 can also be either even or odd
Ex: x = 2 then 2^2 = 4 = even
Ex: x = 3 then 3^3 = 9 = odd
Since both can be even and odd
Even/Odd + Even/Odd = Even/Odd
So the result will be either even or odd
Answer:
The 95% confidence interval for the proportion of young adults with pierced tongues who have receding gums is (0.24, 0.506).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of
, and a confidence level of
, we have the following confidence interval of proportions.

In which
z is the zscore that has a pvalue of
.
For this problem, we have that:

95% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:

The upper limit of this interval is:

The 95% confidence interval for the proportion of young adults with pierced tongues who have receding gums is (0.24, 0.506).
The question is incomplete and the full version can be found online.
Answer: Janeth has 17.92 dollars in her account.
Step-by-step explanation:
The question states that, after having been told that she overdrew her account the previous month, Claire´s new bank balance is 17.92 dollars. Having said that, the question is what does that new amount means, and the options given are that she overdrew her account by 17.92 dollars, or that she has 17.92 dollars in her account.
The answer couldn´t be that Claire overdrew her account again, by 17.92 dollars this time, because if that was the case, her new balance would be the addition of the previous -45.32 dollars plus the new -17.92 dollars:
-45.32-17.92=-63.24
This means that the new amount would be -63.24. Since the number is positive, it represents the money she has in the account: 17.92 dollars