What's the answer? will give brainliest
2 answers:
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Answer:
Valentino needs 1 more pounds of chicken for the recipe.
Step-by-step explanation:
You just need to know how to subtract fractions.
Valentino needs 4 and 1/2 pounds of chicken for a recipe, and he already has 2 and 3/4. We want to know how many more pounds of chicken we need, so you subtract.
4 1/2 - 2 3/4 = 4 2/4 - 2 3/4
= 1 3/4
Valentino needs 1 and 3/4 pounds of chicken still.
Answer:
C.20
Step-by-step explanation:
Confidence interval concepts:
A confidence interval has two bounds, a lower bound and an upper bound.
A confidence interval is symmetric, which means that the point estimate used is the mid point between these two bounds, that is, the mean of the two bounds.
The margin of error is the difference between the two bounds, divided by 2.
In this question:
Lower bound: 70
Upper bounf: 110
Margin of error:
Thus the correct answer is given by option C.