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nignag [31]
2 years ago
7

s Chegg uppose you have purchased a filling machine for candy bags that is supposed to fill each bag with 16 oz of candy. Assume

that the weights of filled bags are approximately normally distributed. A random sample of 10 bags yields the following data (in oz): 15.87, 16.02, 15.78, 15.83, 15.69, 15.81, 16.04, 15.81, 15.92, 16.10 On the basis of this data, can you conclude that the mean fill weight is actually less than 16 oz? Let LaTeX: \alpha=5\%α = 5 %. What would be the appropriate null and alternative hypothesis?
Mathematics
1 answer:
Novosadov [1.4K]2 years ago
6 0

Answer:

it 68.9

Step-by-step explanation:

because u add all that

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Four rulers and three pencils cost £2.15
Lubov Fominskaja [6]

Answer:

4r + 3p = 2.15

3r + 4p = 2.05

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4 0
3 years ago
Solve for x: one over four (4x + 15) = 24
Komok [63]

Answer:

x = 81/4

Step-by-step explanation:

multiply both sides by 4

4x + 15 = 96

subtract 15 from both sides

4x = 81

divide both sides by 4

x= 81/4

i hope that's right

8 0
3 years ago
X^2-4x+3=0 write it in standard form.
trasher [3.6K]

Answer:

x

=

2

±

√

7

Explanation:

there are no whole numbers which multiply to - 3

and sum to - 4

we can solve using the method of  

completing the square

the coefficient of the  

x

2

term is 1

∙

add subtract  

(

1

2

coefficient of the x-term

) 2  to x2 − 4 x ⇒ x 2 +2(− 2 ) x + 4 − 4 − 3 = 0 ⇒ ( x − 2 )2 − 7 =0 ⇒ ( x − 2 ) 2 = 7

take the square root of both sides

⇒ x − 2 = ± √ 7 ←

note plus or minus

⇒ x = 2 ± √ 7←

exact solutions

4 0
2 years ago
Read 2 more answers
Help help hep math math
MrRissso [65]

300 {ft}^{2}

Step-by-step explanation:

d=20

r=10

π=3

a = \pi{r}^{2}

a = (3)  {(10)}^{2}

a = 300

7 0
2 years ago
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Do it owwowowowowowowowowoow
lyudmila [28]

Answer:

que?

Step-by-step explanation:

3 0
3 years ago
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