Question

Weight/Calories per Day 1000 to 1500 cal. 1500 to 2000 cal. 2000 to 2500 cal. Total
120 lb. 90 80 10 180
145 lb. 35 143 25 203
165 lb. 15 27 75 117
Total 140 250 110 500
Based on the data in the two-way table, what is the probability that a person consumes 1,500 to 2,000 calories in a day?

Answer 1

ultrilliam

Answer 2

@Ultrilliam

Answer 3

@BeautifulAngel is it possible for you to post a pic file from the original question source regarding this question?

Answer 4

No, I'm sorry, I only had the option of copy and paste.

Answer 5

A easy way to do this may be to hit print screen on your keyboard while looking at the question, and while typing a reply hit ctrl+v ^_^

Answer 6

^What @Ultrilliam said

Answer 7

That's how I copied it to this website

Answer 8

._.

Answer 9

Not what I meant, while looking at the question hit print screen, and then paste it here

Answer 10

You did a process similar to what I just posted above @BeautifulAngel ? If so, I don't see it.

Answer 11

I figured it out, I'm new to the whole laptop and device thing, I've been "shielded" from it

Answer 12

Okay, so @BeautifulAngel what is the total number of people who consume 1500-2000 calories per day?

Answer 13

250, right?

Answer 14

Correct. Now, what is the total number of people who participated in this particular survey?

Answer 15

Twice that, so 500.

Answer 16

Okay, so I asked those questions to demonstrate this:

The probability that a person consumes 1500-2000 calories per day can be found by applying the following :

\(\dfrac{\text{The total number of people who consumes 1500-2000 calories per day}}{\text{The total number of people who participated in the survey}}\)

Answer 17

So @BeautifulAngel do you think you know the answer to this question?

Answer 18

1/2 or 0.50, right?

Answer 19

Correct

Answer 20

Thank you so much. Do you think you could help me with the rest of this test?

Answer 21

Actually, I believe I understand how to do this, Thank you so much though, you're a life saver!!