I need help on this question.
2 answers:
SOLUTION:
The sum of all angles at a point is 360°.
As you can see in the diagram above, angle STP is an angle at a point.
As this is a square, all of the four angles are equivalent. This means that each of the four angles are equivalent to angle STP.
As there are four angles, that means four multiplied by angle STP is equivalent to 360°.
4 × ( Angle STP ) = 360°
Angle STP = 360 / 4
Angle STP = 90
FINAL ANSWER:
Therefore, the answer is:
Angle STP = 90°
Hope this helps! :)
Have a lovely day! <3
The sum of all angles at a point is 360°.
As you can see in the diagram above, angle STP is an angle at a point.
As this is a square, all of the four angles are equivalent. This means that each of the four angles are equivalent to angle STP.
As there are four angles, that means four multiplied by angle STP is equivalent to 360°.
4 × ( Angle STP ) = 360°
Angle STP = 360 / 4
Angle STP = 90
FINAL ANSWER:
Therefore, the answer is:
Angle STP = 90°
Hope this helps! :)
Have a lovely day! <3
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Answer:
μ ≈ 2.33
σ ≈ 1.25
Step-by-step explanation:
Each person has equal probability of ⅓.
The mean is the expected value:
μ = E(X) = ∑ X P(X)
μ = (1) (⅓) + (2) (⅓) + (4) (⅓)
μ = ⁷/₃
The standard deviation is:
σ² = ∑ (X−μ)² P(X)
σ² = (1 − ⁷/₃)² (⅓) + (2 − ⁷/₃)² (⅓) + (4 − ⁷/₃)² (⅓)
σ² = ¹⁴/₉
σ ≈ 1.25