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murzikaleks [220]
3 years ago
6

Can someone help me with 2-5?

Mathematics
1 answer:
zaharov [31]3 years ago
4 0
Problem 2

Let's say there are 1000 people at the game
0.27*1000 = 270 of them are students
0.06*1000 = 60 are students who didn't buy a program
60/270 = 0.222 = 22.2% of the students will not buy a program

So the answer is roughly 22% when rounded to one decimal place

===========================================================
Problem 3

Like with problem 2, we'll assume 1000 people at the game
0.73*1000 = 730 adults 
0.42*1000 = 420 adults buy a program
approximately 420/730 = 0.5753 = 57.53% of the adults bought a program which rounds to 58%

Answer: 58%

===========================================================
Problem 4

The answer here is simply 63% since this is the percent form of 0.63

The value 0.63 is the total for the "Yes" column

You already found this value by adding up the values in the "yes" column from the original table: 0.42+0.21 = 0.63

===========================================================
Problem 5

x = total number of students and adults combined

look in the "students" row and "no" column. The value of 0.06 is found there.

0.06*x = 35
0.06*x/0.06 = 35/0.06
x = 583.333
which rounds to 583

So there are 583 people.

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Complete question

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Help please with this question
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Answer:

They lose about 2.79% in purchasing power.

Step-by-step explanation:

Whenever you're dealing with purchasing power and inflation, you need to carefully define what the reference is for any changes you might be talking about. Here, we take <em>purchasing power at the beginning of the year</em> as the reference. Since we don't know when the 6% year occurred relative to the year in which the saving balance was $200,000, we choose to deal primarily with percentages, rather than dollar amounts.

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That is, the loss of purchasing power is about ...

... 1 - 0.9721 = 2.79%

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If the account value is $200,000 at the beginning of the year in question, then the purchasing power <em>normalized to what it was at the beginning of the year</em> is now $194,425.14, about $5,574.85 less.

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