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NNADVOKAT [17]
3 years ago
14

What does 1.20 mean in this situation?

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
6 0
A: the costumer bought 1.20kg of lettuce
Klio2033 [76]3 years ago
4 0

Answer:

hshsjzhzzoazuhsox9 hzbskznzjzbziznzkalajhzisjshaoianajs9zjgz

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Jamal read a book with 128 pages then he read a book with 179 pages how pages did jamal read?
aliina [53]
128 pages+179 pages=307 pages
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Can someone please help me!?!?!?
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3. Alt. Interior Angles

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A veterinarian studying causes of enteroliths in horses suspects feeding too much alfalfa may be a culprit. The veterinarian hyp
Hatshy [7]

Answer: 0.022

Step-by-step explanation:

Let p be the population proportion of horses were fed mostly alfalfa.

We are given that :

H_0: p=0.67\\ H_a:p>0.67 , since alternative hypothesis (H_a) is right tailed , so the test is a right-tailed test.

Also, we have

Sample size= 62

Sample proportion= \hat{p}=\dfrac{49}{62}\approx0.79

Test statistic for population proportion:-

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

Substitute all values ,

z=\dfrac{0.79-0.67}{\sqrt{\dfrac{0.67(1-0.67)}{62}}}\\\\=\dfrac{0.12}{\sqrt{0.00356612903226}}\\\\=\dfrac{0.12}{0.059717}\\\\=2.00947551836\approx2.01

P-value for right tailed test :

P(z>2.01)=1-P(z<2.01)              [∵P(Z>z=1-P(Z<z))]

=1-0.9777844                     [By using z-value table]

=0.0222156≈0.022

Hence, the P-value for this test is <u>0.022</u> .

5 0
3 years ago
The price of a video game was reduced from $60 to $45. by what percentage was the price of the video game reduced
storchak [24]

Answer:

It was reduce by 25%

Step-by-step explanation:

45                        so it would be reduced by 25%

___

60

x 100% = 75%  

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3 years ago
Read 2 more answers
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