Answer: B explanation; bc i saif
The area tom the right of the z-score of 2.75 under a statistical normal distribution curve will be given by:
1-P(z≤2.75)
but
P(z≤2.75)=0.997
thus
1-P(z≤2.75)
=1-0.997
=0.003
Answer: 0.003
Of course not! Imagine a rectangle with sides 3ft by 6ft. It is not a square, since its sides are unequal.
Answer: 
Step-by-step explanation:
In order to solve this exercise it is important to remember:
1. The Negative exponent rule, which states that:

2. The Product of powers property, which states that:

Therefore, knowing the explained above and having the following expression provided in the exercise:

You can identify that the numerator and the denominator have the same base 2. Then, you can simplify the expresssion as following:
