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Brut [27]
3 years ago
6

What is the answer to 3/4-3/8

Mathematics
1 answer:
Mashcka [7]3 years ago
7 0
Convert 3/4 into a fraction in the form of x/8 to subtract 3/8 from it. Multiply the entire fraction by 2/2, which gives you 6/8. Subtract 3/8 from it, and you get 3/8. Your answer is 3/8.
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Increasing the sample size while keeping the same confidence level has what effect on the margin of error? A. Increases the marg
DiKsa [7]

Answer:

C. Decreases the margin of error and hence increases the precision

Step-by-step explanation:

If we select a sample by Simple Random Sampling in a population of “infinite” size (a population so large that we do not know its size exactly), then the margin of error is given by

\bf E=\frac{ZS}{\sqrt{n}}

where  

<em>Z = The Z-score corresponding to the confidence level </em>

<em>S = The estimated standard deviation of the population </em>

<em>n = the size of the sample. </em>

As we can see, since n is in the denominator of the fraction and the numerator is kept constant, the larger the sample size the smaller the margin of error, so the correct choice is:

C. Decreases the margin of error and hence increases the precision

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3 years ago
Katrina drinks 0.5 gallons of water per day. Which expression shows how to find the number of cups of water she drinks in a week
ivolga24 [154]
Here is your answer.....

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3 years ago
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Question #3
il63 [147K]
I’m pretty sure It’s c
8 0
3 years ago
(Help Please) The relationship between the height of a tree, the distance between the location of a man and the base of the tree
Dmitry_Shevchenko [17]

Answer:

22 degree represents the angle of elevation,x.

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What is the completely factored form of p4 – 16?
Svetlanka [38]

Answer:

(p+2)(p-2)(p²+4)

Step-by-step explanation:

The binomial p⁴-16 is a difference of squares.  This is because p⁴ is a perfect square, as is 16.  This means we can write it as the sum of the square roots multiplied by the difference of the square roots:

(p²+4)(p²-4)

The first binomial, p²+4, cannot be factored any further.

The second binomial, p²-4, is another difference of squares, since p² is a perfect square, as is 4:

(p+2)(p-2)

This gives us

(p²+4)(p+2)(p-2)

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