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Advocard [28]
2 years ago
6

PLEASEEE HELP MEEEE!!

Mathematics
2 answers:
Sidana [21]2 years ago
5 0
The answer is B i took the practice test and got it right :)
MrRa [10]2 years ago
5 0

Hello!

the answer is C! ( y=\frac{1}{3} x-6 )

hope that helps!<3 have a good day!:))

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A dog breeder would like to know how many Dalmatian puppies are typically born in a litter. He conducts some research and select
podryga [215]

Answer:

c. 6.2 ± 2.626(0.21)

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 101 - 1 = 100

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 100 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.99}{2} = 0.995. So we have T = 2.626

The confidence interval is:

\overline{x} \pm M

In which \overline{x} is the sample mean while M is the margin of error.

The distribution of the number of puppies born per litter was skewed left with a mean of 6.2 puppies born per litter.

This means that \overline{x} = 6.2

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.626\frac{2.1}{\sqrt{101}} = 2.626(0.21)

In which s is the standard deviation of the sample and n is the size of the sample.

Thus, the confidence interval is:

\overline{x} \pm M = 6.2 \pm 2.626(0.21)

And the correct answer is given by option c.

5 0
3 years ago
Could someone pls explain logarithms to me ,l don't understand it at all.l think l am going to fail this subject.​
Bad White [126]

Answer:

In mathematics, the logarithm is the inverse function to exponentiation. That means the logarithm of a given number x is the exponent to which another fixed number, the base b, must be raised, to produce that number x.

Step-by-step explanation:

4 0
3 years ago
Can anyone answer this?
Slav-nsk [51]

Answer:

601

Step-by-step explanation:

real real estate agents for

3 0
3 years ago
Which fraction is in the simplest form of 224/360?
barxatty [35]
28/35 which u can't go any further than this bc 35 isn't divisible by 2 nor is 28 divisible by 5 
5 0
2 years ago
A theater can hold 120 giants or 144 elves. If 90 giants are already inside, how many elves can also be admitted?
navik [9.2K]

Answer:

36

Step-by-step explanation:

make proportion giants to elves

120/144 = 90/x cross multiply

120x =144*90

120x =12960 divide by 120

x = 108

so if there are 90 giants in the theater there are  108 elves also

considering that total 144 elves can be  in the theater subtract 144 and 108 so 36 more elves can be admitted

3 0
3 years ago
Read 2 more answers
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