Answer:
95%
Step-by-step explanation:
The z-scores associated with the limits are ...
z = (x -μ)/σ
z = ({80, 108} -94)/7 = {-14, 14}/7 = {-2, 2}
That is, we're interested in flight times that lie within 2 standard deviations of the mean. The empirical rule tells us that 95% of the distribution lies within 2 standard deviations of the mean.
Answer:
So the expression in simplified radical form will be
Step-by-step explanation:
We have have given the expression
We have to write this expression in simplest radical form
For writing in simplest radical form we have to rationalize first
So after rationalizing
So the expression in simplified radical form will be
Answer:
(X+4)(x+4)
Step-by-step explanation:
First find two numbers that multiply to 16 but add up to 8. That is 4 times 4. Then find the root of x squared which is x. The insert x + 4 in parenthesis for both sets because they are both positive. The two sets of parenthesis are supposed to be multiplied with the FOIL method to get x^2+8x+16. Hope this helps :)
27+70+62+80=239
239÷5=47.8
47.8 is your final answer.