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notka56 [123]
2 years ago
7

PLEASE HELP I DONT KNOW THE ANSWERS TO THOSE TWO QUESTIONS THIS IS TIMED!!!

Mathematics
1 answer:
fredd [130]2 years ago
8 0

Answer:

39 & —34

Step-by-step explanation:

ATTACHED PICTURE!

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15 is what percent of<br> 600?<br> Pls show work
chubhunter [2.5K]

Answer:

90

Step-by-step explanation:

600(.15) = 90

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Please include the diagram

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3 square root 125/5-8
Ksivusya [100]
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Jenny made $120 for 8 hours of work. How much would jenny make for 40 hours of work? Use a proportion to show your work in the s
WITCHER [35]

Answer:

$600

Step-by-step explanation:

For 8 hours she makes $120

For 1 hour she makes $120÷8 = $15

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1 year ago
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Of all individual tax returns, 37 percent include errors made by the taxpayer. If IRS examiners are assigned randomly selected r
Dima020 [189]

Answer:

mean=4.44

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Step-by-step explanation:

The mean and standard deviation for the number of erroneous returns per batch can be calculated using binomial distribution. The binomial distribution is used because

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ii) The experiment is repeated fix number of times 12.

iii) The probability of success remains constant at each trial i.e. 37%

iv) The trails are independent.The mean and standard deviation of binomial distribution are np and √npq

Here, n=12, p=0.37 and q=1-0.37=0.63

mean=12*0.37=4.44

standard deviation=√12*0.37*0.63=√2.8=1.67

8 0
3 years ago
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