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Alika [10]
3 years ago
12

What is 10kg in pounds

Mathematics
2 answers:
LiRa [457]3 years ago
8 0

Answer:

Answer vary:

it is 22.05lb

Step-by-step explanation:

honestly in my opinion that the answer.

SashulF [63]3 years ago
7 0

Answer:

2.2 pounds per kilogram so:

10x2.2=22 pounds

Step-by-step explanation:

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The proprietor of a boutique in New York wanted to determine the average age of his customers. A random sample of 25 customers r
jolli1 [7]

Answer:

28-2.064\frac{10}{\sqrt{25}}=23.872    

28+2.064\frac{10}{\sqrt{25}}=32.128    

So on this case the 95% confidence interval would be given by (23.9;32.1)  

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

\bar X=28 represent the sample mean

\mu population mean (variable of interest)

s=10 represent the sample standard deviation

n=25 represent the sample size  

Solution to the problem

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

In order to calculate the critical value t_{\alpha/2} we need to find first the degrees of freedom, given by:

df=n-1=25-1=24

Since the Confidence is 0.95 or 95%, the value of \alpha=0.05 and \alpha/2 =0.025, and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-T.INV(0.025,24)".And we see that t_{\alpha/2}=2.064

Now we have everything in order to replace into formula (1):

28-2.064\frac{10}{\sqrt{25}}=23.872    

28+2.064\frac{10}{\sqrt{25}}=32.128    

So on this case the 95% confidence interval would be given by (23.9;32.1)    

7 0
3 years ago
Work out m and c for the line: y = 1 − 3 x
wolverine [178]

Answer:

m=-3

c=1

Step-by-step explanation:

y=mx+c

m is -3 which is the coefficient of x and c is the intercept 1

4 0
3 years ago
The measure of A is 75°, and the measure of B is 105°. What is the relationship of angles A and B?
Leni [432]

Answer:

D supplementary angles

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
ed is using the recipe shown to make fruit salad he wants to use 30 diced stawberries in his vruit sald how many bananas apples
Leya [2.2K]
We know that 1 serving = 4 bananas 
3 apples
6 pears
and 20 strawberrys
To get 30 we need to half 20 =10    20+10=30

That means we also needs to half the other ones
1/2 of 4 = 2   4+2=6
1/2 of 3 = 1.5 3+ 1.5=4.5
1/2 of 6 = 3  6+3=9

6 Bananas
4.5 Apples
9 Pears
30 strawberries diced.
6 0
3 years ago
Read 2 more answers
Need help, my teacher is not great at explaining.
satela [25.4K]
I cant really see the words
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