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ale4655 [162]
3 years ago
15

A market research group is interested in comparing the mean weight loss for two different popular diets. The researcher chooses

two random samples of participants for the two diet programs. For Diet A, the mean weekly weight loss for 10 participants was 1.5 pounds with standard deviation 0.4 pounds. For Diet B, the mean weekly weight loss for 12 participants was 1.2 pounds with standard deviation 0.6 pounds. At a 5% significance level, does this indicate that Diet A is better than Diet B?
Mathematics
1 answer:
Degger [83]3 years ago
5 0

Answer:

ok

Step-by-step explanation:Jawo

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86% percent of senators support a bill. What fraction of senators support the bill?
Natali5045456 [20]

Answer:

\frac{43}{50}

Step-by-step explanation:

It was give that 86% percent of senators support a bill.

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86\%=\frac{86}{100}

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What is m CD ?<br> Plzz help
pickupchik [31]

Given:

Arc(AB) = 78 degrees

Measure of angle CMD = 106 degrees

To find:

The measure of arc CD.

Solution:

Secant intersection theorem: If two secant of a circle intersect each other inside the circle, then the intersection angle is the average of intercepted arcs.

Using secant intersection theorem, we get

m\angle CMD=\dfrac{1}{2}(Arc(AB)+Arc(CD))

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Multiply both sides by 2.

212^\circ=78^\circ+Arc(CD)

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134^\circ=Arc(CD)

Therefore, the measure of arc CD is 134 degrees and the correct option is C.

8 0
3 years ago
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