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kumpel [21]
4 years ago
13

The heights of young American women, in inches, are approximately Normally distributed with mean μ and standard deviation σ = 2.

4. If I want to construct a 99% confidence interval with a margin of error of no more than ± 1 inch, what is the smallest sample I can select?
Mathematics
1 answer:
Flauer [41]4 years ago
6 0

Answer:

Step-by-step explanation:

The heights of young American women, in inches, are approximately Normally distributed with mean μ and standard deviation σ = 2.4. If I want to construct a 99% confidence interval with a margin of error of no more than ± 1 inch, what is the smallest sample I can select?

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Oliga [24]

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Step-by-step explanation:

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3 years ago
A television with a 6:4 screen shows an image with a ratio of 6:5 which creates a letter boxed image. What percent of the screen
morpeh [17]

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i hope this is the right answer 1.25%

Step-by-step explanation:

6:4 and 6:5 is one away from each other so it must me 1.25%

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State the number of complex zeros, the possible number of real and imaginary zeros, and the possible rational zeros for each fun
ArbitrLikvidat [17]
Since the degree of this polynomial is 5, there will be 5 possible zeros. To find the possible rational 0s, use the rational root theorem (p/q). P is the last, non x value, which here it is the four on the end. The q is the leading coefficient, which is also q. Next, find all of the factors of q and p, which since they are both 4, are ±1, ±2, and ±4. Next do all possible values of p/q, which are ±1, ±2, ±4, ±1/2, and ±1/4. These are all your possible rational zeros. complex 0s only come in pairs, so the maximum there can be is 4 complex zeros, meaning there is at least one rational, real 0. (i graphed it it is -1/2, so all others must be rational or imaginary)
4 0
4 years ago
A group of 7 friends decide to rent vacation houses for month the monthly rent on the house is 2275 each friend pays an equal sh
DanielleElmas [232]

divide the rent by the number of people

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4 0
4 years ago
which of the following correlation coefficients is indicative of the strongest relationship between the two variables
VladimirAG [237]

The strongest linear relationship of correlation coefficient is a -1 or 1.

According to the statement

we have given that the cases and the out of these we have to ensure that which case show the correlation coefficients is indicative of the strongest relationship between the two variables

So, For this purpose

The relationship of correlation coefficient  is a statistical measure that calculates the strength of the relationship between the relative movements of two variables.

And according to the given cases

The strongest linear relationship is indicated by a correlation coefficient of -1 or 1.

The weakest linear relationship is indicated by a correlation coefficient equal to 0. A positive correlation means that if one variable gets bigger, the other variable tends to get bigger.

So, The strongest linear relationship of correlation coefficient is a -1 or 1.

Learn more about relationship of correlation coefficient here brainly.com/question/4219149

#SPJ4

6 0
2 years ago
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