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Serhud [2]
4 years ago
5

State the null and alternative hypothesis in symbols and words. Assume conditions have been met. (2 pts.) Perform your hypothesi

s test "by hand" using the equation editor. Be sure to use the appropriate probability notation. Don't write your conclusion in this step.(4 pts.) Construct a 90% confidence interval, again showing calculations "by hand". Don't write your conclusion in this step. (4 pts.) State your FULL conclusion making sure to site whether we reject or fail to reject and what that means in context based on the p-value. Then support your conclusion with the results from your confidence interval. Then be sure to note whether the hypothesized value falls in our interval and what that means. (3 pts.)

Mathematics
1 answer:
Sonbull [250]4 years ago
3 0

Answer:

The problem is clearly solved in the attachment

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Change 33/4 to a mixed number
BaLLatris [955]

Answer:

Step-by-step explanation:

33/4 already reduced (simplified) Improper fraction, rewrite it as a mixed number: 33 ÷ 4 = 8 and remainder = 1 => 33/4 = (8 × 4 + 1)/4 = 8 + 1/4 = 8 1/4

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3 years ago
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Jack has the following scores on exams in his math class 81, 87 93, 89, 61 81 If he wants to make his performance sound as good
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81

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Find the equation of the line through (10, 4) that is parallel to the line with the equation
lyudmila [28]

Answer:

x + y = 14

Step-by-step explanation:

Parallel lines have the same slope, so the line's slope will be -1.

Plug this slope and the given point into y = mx + b to find b:

y = mx + b

4 = -1(10) + b

4 = -10 + b

14 = b

Then, plug this and the slope into y = mx + b

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Then, put this into standard form by moving the x to the other side:

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3 years ago
Find the area of a circle with a radius of 11ft. Use 3.14 or 22/7 for pie.
alexgriva [62]

Solution:

<u>Note that:</u>

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<u>Substitute the radius in the expression to find the area of the circle.</u>

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8 0
3 years ago
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What is the value of x? Round to the nearest hundredth.
jeyben [28]

Answer:

The correct answer is first option

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Step-by-step explanation:

<u>Points to remember</u>

<u>Trigonometric ratios</u>

Sin θ  = Opposite side/Hypotenuse

Cos θ = Adjacent side/Hypotenuse

Tan θ = Opposite side/Adjacent side

From the figure we can see that a right angled triangle with base x and hypotenuse = 81.9.

One angle = 65°

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X = 81.9 * Cos 65

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Therefore  X = 34.61

The correct answer is first option

3 0
3 years ago
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