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mariarad [96]
2 years ago
11

Here is a typical statement made by the media: "Based on a recent study, pennies weigh an average of 2.5 grams with a margin of

error of 0.006 gram." What important and relevant piece of information is omitted from that statement? Is it OK to use the word "average"?
Choose the correct answer below.


A. The media often omit reference to the confidence interval. It is OK to use the word "average" in this context.
B. The media often omit reference to the confidence interval. The word "mean" should be used instead of the word "average."
C. The media often omit reference to the confidence level, which is typically 95%. The word "mean" should be used instead of the word "average."
D. The media often omit reference to the confidence level, which is typically 95%. It is OK to use the word "average" in this context.
Mathematics
2 answers:
Damm [24]2 years ago
8 0
The answer is A I think
Veseljchak [2.6K]2 years ago
5 0

Answer:

A

Step-by-step explanation:

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Dante has been shopping for a new bike. He found two bikes that he likes equally-one is sold at Mike's Bikes for $300, and the o
Galina-37 [17]
Hello there! So, let's do this a bit at a time. Mike's Bikes sells a bike for $300, but gives a 25% discount for any bike in the store. To find out how much he would pay for the bike, multiply 300 by 75% (0.75). This is because you are still paying 75% of the original price for that bike. When you do, you get 225. That's $225 for the bike at Mike's Bikes. Now, the one at Cycle Center sells a bike for $275, but gives a rebate of $40 after purchasing the bike. A rebate is basically a refund: you get money paid back to you. In this case, we would subtract 40 from 275, because you're basically getting paid back some of what you did pay. 275 - 40 is 235. That's $235 for the bike at Cycle Center. I'll write the prices of the bikes out to make it easier to read.

Mike's Bikes: $225
Cycle Center: $235

Okay. so when you look at the prices for the mountain bikes, you see that the bike at Mike's Bikes is $10 cheaper than the bike at Cycle Center. Dante should purchase his mountain bike at Mike's Bikes, because he will pay less money there. The Cycle Center does give $40 back, but Mike's Bikes has the bike that costs less. 225 < 235.
7 0
2 years ago
Which graph represents the inequality?<br><br> 18x−3y&lt;−21
ozzi
I'm going to go with C.
The inequality isn't greater than OR EQUAL TO which marks out B and D.
The inequality is showing that it is greater than -21 meaning that the shaded area should be towards the positive which in turn marks out A.
6 0
2 years ago
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The box plot shows the number of years during which 24 colleges have participated in a local college fair: A boxplot is titled Y
Anna007 [38]

Answer:

its is actually 4

Step-by-step explanation:

8 0
2 years ago
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A sports car and a minivan run out of gas and are pushed to the side of the road. Which is easier to push, and why?
nirvana33 [79]

Answer:

The sports car, because it has less mass and therefore less inertia

Step-by-step explanation:

When an object has less inertia it is easier to be put into and out of motion, and a sports car would obviously weigh less than a van.

5 0
2 years ago
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If the point (−5, −8) is reflected over the y-axis, what are the coordinates of the reflected point?
Komok [63]
I believe it would be (5,-8)
5 0
2 years ago
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