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DedPeter [7]
2 years ago
7

The amounts (in ounces) of juice in eight randomly selected juice bottles are: 15.4, 15.8, 15.4, 15.1, 15.8, 15.9, 15.8, 15.7 Wh

en constructing a 98% confidence interval for the mean amount of juice in all such bottles the Degree of Freedom used in this construction is
Mathematics
1 answer:
likoan [24]2 years ago
3 0

The answer is: " 7 " .

_______________________________________________________

Explanation:

_______________________________________________________

degrees of freedom (df) = n - 1 ;


n = sample size = 8 ;


n - 1 = 8 - 1 = 7 .

_______________________________________________________

The answer is: " 7 " .

_______________________________________________________

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lee is sewing vest using 16 green buttons and 56 blue buttons.All the vests are identical and all have both green and blue butto
DochEvi [55]
For all the answers I will assume that all buttons both green and blue must be used. 

For the first question we will start by searching all the divisors of 16;

16: 1, 2, 4, 8, 16
We will think about the numbers of green buttons that can be used as the divisors of 16. We will check if t<span>he dividend of 16 to its divisors is a divisor for 56.
</span>
1 => 16 vests with 1 green button 56/16 = 3.5
2=> 8 vests with 2 green buttons 56/8 = 7
4=>  4 vests with 4 green buttons 56/4 = 14
8=> 2 vests with 8 green buttons 56/2 = 28
16=> 1 vest with 16 green buttons 56/1 = 56

From all the above results we concluded that Lee can make:
8 vests with 2 green buttons and 7 blue buttons
4 vests with 4 green buttons and 14 blue buttons
2 vests with 8 green buttons and 28 blue buttons
1 vest with 16 green buttons and 56 blue buttons

For the second question, the <span>greatest number of vests represents the greatest common divider of 16 and 56. 
</span>First, we break into prime factors
16 = 2^4
56 = 2^3 *7
The greatest common divider is 8.
<span>Lee can make 8 vests and each one will have 2 green buttons and 7 blue buttons (16/8=2 and 56/8=7)</span>


3 0
3 years ago
Solve the following system of equations and show all work. y = −x2 + 4 y = 2x + 1
Aneli [31]

Answer:

x=3/4,y=5/2

Step-by-step explanation:

y=-x^2+4,y=2x+1

substitute y=-x^2+4 as y  for y=2x+1

2x+1=-x^2+4, x=3/4(isolate "x")

x=3/4

substitute x=3/4 for 2x+1=-x^2+4

y=2*3/4+1

y=5/2

x=3/4, y=5/2

hope this helps!

6 0
2 years ago
Read 2 more answers
What is the domain of p(x)=6^x​
weqwewe [10]

Answer: All real numbers

Step-by-step explanation: The domain should be all real numbers, there are no restrictions

3 0
3 years ago
Please help me ! There's an attachment of the problem right here.
hichkok12 [17]

Answer:

12*12= 144 + 81= 225. 255/15= 15. Yes, this is a right triangle. I do not understand the question itself, but I hope this will help

Step-by-step explanation:

8 0
3 years ago
Chris buys 8 more Ninja Turtles than Star Wars action figures. The Ninja Turtles cost $7 each and the Star Wars cost $9 each. Wr
Natalka [10]

Answer:

Total Cost, C=$(16S +56)

Step-by-step explanation:

Chris buys 8 more Ninja Turtles than Star Wars action figures.

Cost of each Ninja Turtle = $7

Cost of each Star Wars  = $9

Let number of Star Wars bought = S

As per question statement, number of Ninja Turtles bought = S+8

Cost of 'S' number of Star Wars = Number of Star Wars bought \times cost of each Star Wars

Total cost of Star Wars bought = S \times 9 or $9S

Similarly, Cost of 'S+8' number of Ninja Turtles = Number of Ninja Turtles bought \times cost of each Ninja Turtles

Total cost of Ninja Turtles bought = (S+8) \times 7 or $(7S +56)

Total Cost of the purchase = Total cost of Star Wars Bought + Total cost of Ninja Turtles bought

Total Cost of the purchase, C = 9S + (7S +56)

\Rightarrow C=\$(16S +56)

4 0
2 years ago
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