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castortr0y [4]
3 years ago
10

Find the measure of angle b if angle a is 22 degrees and the whole angle is 300 degrees

Mathematics
1 answer:
Dima020 [189]3 years ago
6 0

Answer:

a  = 278^{\circ}

Step-by-step explanation:

Given

b = 22^{\circ}

Whole\ Angle = 300^{\circ}

Required

Find the measure of a

Since there is no diagram to support the question, we'll assume that:

a + b = Whole\ Angle

This gives:

a + 22^{\circ} = 300^{\circ}

Subtract 22 from both sides

a + 22^{\circ}-22^{\circ} = 300^{\circ}-22^{\circ}

a  = 300^{\circ}-22^{\circ}

a  = 278^{\circ}

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Answer:

(a) The sampling distribution of\overline{X} = Population mean = 79

(b)  P ( \overline{X} greater than 81.2 ) =  0.1357

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Step-by-step explanation:

Given -

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                    = P(Z\leq  -2.3)

                    = .0107

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P(77.6< \overline{X}<   83.2) = P(\frac{77.6- 79}{\frac{18}{\sqrt{81}}})< P(\frac{\overline{X} - \nu }{\frac{\sigma }{\sqrt{n}}}\leq  \frac{83.2- 79}{\frac{18}{\sqrt{81}}})

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                                 = (Z<   2.1) - (Z<   -0.7)

                                  = 0.9821 - .2420

                                   = 0.7401

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