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MakcuM [25]
3 years ago
6

Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best po

int estimate for p, the margin of error, and the confidence interval. Assume the results come from a random sample. A 95% confidence interval for p given that p ^ = 0.7 and n = 130 Round your answer for the point estimate to two decimal places, and your answers for the margin of error and the confidence interval to three decimal places. point estimateequals margin of errorequals plus-or-minus The 95% confidence interval is to:__________.
Mathematics
1 answer:
Rama09 [41]3 years ago
7 0

Answer:

SIMPLE go below to see

Step-by-step explanation:

idk im dumb

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A square scarf has a side length of 3/4 yard on each side.
denis-greek [22]

Answer:

\frac{9}{16}\ yd.^2

Step-by-step explanation:

Area of a square: a^2 = a*a

A = a^2\\\\A = \frac{3}{4}* \frac{3}{4}\\\\A =  \frac{9}{16}

Therefore, the answer of the scarf is \frac{9}{16}\ yd.^2

Hope this helps!

8 0
2 years ago
Please I need like an explanation of how it was done.
a_sh-v [17]

Answer:

  the point is (3, 3) . . . . . . y = 3

Step-by-step explanation:

Write the point-slope equation of the line through the point you know. Then evaluate that equation for x=3 to see what the value of y is.

Point-slope form:

  y = m(x -h) +k . . . . slope m through point (h, k)

  y = -1/2(x -9) +0 . . . . line with slope -1/2 through point (9, 0)

For x=3, the value of y is ...

  y = -1/2(3 -9) + 0 = -1/2(-6) = 3

The value of y is 3.

4 0
2 years ago
Read 2 more answers
7/2 + x/2 = -5x + 5/3 <br><br> solve for x
Novosadov [1.4K]

Answer:

give a heart and 5 stars

Step-by-step explanation:

7 0
2 years ago
Determine the domain and range of the function f(x)= 3x+2. Also, state the intervals where the function f(x)= 3x+ 2 is increasin
aev [14]

Answer:

Increasing on it's domain (-\infty,\infty) because the slope is positive.

The domain and range are both all real numbers, also known as

(-\infty,\infty).

Step-by-step explanation:

All domain really means is what numbers can you plug in and you get number back from your function.

I should be able to plug in any number into 3x+2 and result in a number. There are no restrictions for x on 3x+2.

The domain is all real numbers.

In interval notation that is (-\infty,\infty).

Now the range is the set of numbers that get hit by y=3x+2.

Well y=3x+2 is a linear function that is increasing.  I know it is increasing because the slope is positive 3. I wrote out the positive part because that is the item you focus on in a linear equation to determine if is increasing or decreasing.

If slope is positive, then the line is increasing.

If slope is negative, then the line is decreasing.

So y=3x+2 hits all values of y because it is increasing forever.  The range is all real numbers. In interval notation that is (-\infty,\infty).

3 0
3 years ago
he high temperature on Friday afternoon was 82°F. The temperature that evening was 66°F. How much did the temperature change? A)
Sunny_sXe [5.5K]

66-82

-16

The temperature decreased

A  Fell 16F

3 0
3 years ago
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