Need help ASAP!!! Using postulate and/or theorems learned in unit 1, determine whether PQR MRN. Show all your work and explain w
hy the triangles are similar why or why are they not.
1 answer:
Answer:
ΔPQR is not similar to ΔMRN.
Step-by-step explanation:
From the triangle PQR and MRN, Applying th basic proportionality theorem, we get
Substituting the given values, we get
Therefore, the basic proportionality theorem does not hold, hence the given triangles PQR and MRN are not similar that is ΔPQR is not similar to ΔMRN.
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Answer:
The probability that the average final exam grade of this sample is between 77 and 82
P(77≤ x⁻≤ 82 = 0.8315 or 83%
Step-by-step explanation:
<u><em>Step(i):</em></u>-
Given random sample size 'n' = 40
Mean of the normal distribution = 81
Standard deviation of normal distribution = 6.6
Let x₁⁻ = 77
Z₁ = -3.83
Let x₂⁻ = 77
Z₂ = 0.958
<em>The probability that the average final exam grade of this sample is between 77 and 82</em>
P(77≤ x≤ 82) = P( -3.83 ≤x≤0.958)
= A( 0.958) + A(3.83)
= 0.3315 + 0.4995
= 0.8315
<em>The probability that the average final exam grade of this sample is between 77 and 82 = 0.8315 or 83%</em>