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Vika [28.1K]
3 years ago
5

A random sample of 27 items is drawn from a population whose standard deviation is unknown. The sample mean is x¯ = 940 and the

sample standard deviation is s = 15. Use Appendix D to find the values of Student's t.
Mathematics
1 answer:
babunello [35]3 years ago
5 0

Answer:

t value= 99%

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
The length of rectangle is 17cm more than double the width. the perimeter is 76cm
Mkey [24]
17×2= 34
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4 0
4 years ago
Picture at the top to help with solving the answer.​
maksim [4K]

Answer: B and D

Step-by-step explanation:

I see you picked the first one which is close but not right. This isn't right because you are adding the area of both rectangles together and in the first choice the + 7 should be 7y because y is the height which is why the 4th choice is correct and the second choice if you distribute you get 5y + 7y which is the same so that would be right as well.

4 0
3 years ago
Read 2 more answers
The following question has two parts. First, answer part A. Then, answer part B.
Paha777 [63]
The answer to Part A is 13.25.
And the answer to Part B is hen you round to the nearest 10th the steps are nearly always the same:<span>Identify which place value you are rounding to. The smaller the place value, the more accurate the final result will be.Look to the next smallest place value, the digit to the right of the place value you're rounding to. For example, if you want to round to the nearest ten you'd look at the ones place.If the digit in the next smallest place value is less than five (0, 1, 2, 3, or 4), you leave the digit you want to round to as-is. Any digits after that number (including the next smallest place value you just looked at) become zeros, or drop-off if they're located after the decimal point. This is called rounding down.<span>If the next smallest place value is greater than or equal to five (5, 6, 7, 8, or 9), you increase the value of the digit you're rounding to by one (+1). Just like before, any remaining digits before the decimal point become zeros, and any that are after the decimal point are dropped. This is called rounding up. 

</span></span>
4 0
3 years ago
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