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Deffense [45]
4 years ago
8

50 people sponsor Paula and she raises a total of 180 for charity. What is the mean average amount sponsored in pounds

Mathematics
1 answer:
crimeas [40]4 years ago
3 0

The mean is the average of the numbers.

It is easy to calculate: add up all the numbers, then divide by how many numbers there are.

For example: What is the Mean of these numbers?

6, 11, 7

<span><span>Add the numbers: 6 + 11 + 7 = 24 
</span><span>Divide by how many numbers (there are 3 numbers): 24 / 3 = 8</span></span><span>The Mean is 8

Hope this helps :)</span>
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Slav-nsk [51]

Answer:

A) attached below

B) 0.61

C) 0.47

Step-by-step explanation:

Given data:

Total number of lizards infected = 38

Of the 15 species B lizards 40% survived

For specie C one more survived than died

Out of the 24 lizards that died 1/3 were species A

<u>A) contingency table </u>

attached below

<u>B) Determine the proportion of these lizards in this study that were either specie A or Specie B </u>

P ( A or B ) = ( 8 + 15 ) / 38 = 0.605 ≈ 0.61

<u>C) determine the probability that specie C lizard did not study </u>

P ( not surviving  | C ) = 7 / 15 = 0.466 ≈ 0.47

7 0
3 years ago
There were 700 people in the auditorium. 60% of them were adults and the rest were children. how many adults were in the auditor
ollegr [7]

.60 \times 700 = 420 \\ 700 - 420 = 280
First I found the number of adults by multiplying .60 by 700. It was 420. From there all I had to do was subtract it from 700. Revealing the number of children to be 280.
5 0
3 years ago
T-shirts and More Print Shop will print any image on a mouse pad for a cost of $2 per mouse pad and a one-time charge of $12 to
Anna35 [415]

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275 mouse pads were printed

Step-by-step explanation:

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4 0
3 years ago
Helen purchased 3 copies of a book online at a 20% discount. She also paid $10 for shipping that was not discounted. How much wa
umka21 [38]

Answer:

The original price of the book was $12.50

Step-by-step explanation:

3x - 0.2(3x) + 10 = 40
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3 0
2 years ago
Please help 10 point reward​
LekaFEV [45]

ANSWER:    I can give you the steps to figure out this question.

1  if it is starting at the 6 on the y axis, then just do up 1 over 1 until you get to the 10

The answer to your question is..... 6y+1=4x+10

4 0
3 years ago
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