The probability that the sample mean is within 2 standard deviations on the high side and 1 standard deviation on the low side is about 0.8186.
Meat =35/100
vegetables =15/100
sauce =5/100
bread =5/100
Answer:
E
Step-by-step explanation:
The external angle of a triangle is equal to the sum of the 2 opposite interior angles.
8x + 15 is an external angle of the triangle, thus
8x + 15 = 3x + 20 + 4x + 5, that is
8x + 15 = 7x + 25 ( subtract 7x from both sides )
x + 15 = 25 ( subtract 15 from both sides )
x = 10
Thus none of them on the list → E
Answer: D
Step-by-step explanation:
To find the difference, we want to make sure both denominators are equal.

Now that the denominators are equal, we can distribute and multiply out.

With the fractions multiplied out, we can actually put it into one large fraction.

Let's subtract the top expression.

This may seem like our final answer, but we can actually factor out an 3x in the numerator and denominator.

With the 3x factored out, they cancel out because 3x/3x=1.
Our final answer is:
