Shama types 12 letters in 4 secound what is the constant of proportionality of letters to minutes
2 answers:
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Mu=80, sigma=39, X=85
Z=(X-mu)/sigma = 5/39=0.128=0.13
P(X<=85)= 0.5517 (from Z-table)
so, P(X>85)=1-0.5517=0.4483 approx. thats 44.8% probability.
Z=(X-mu)/sigma = 5/39=0.128=0.13
P(X<=85)= 0.5517 (from Z-table)
so, P(X>85)=1-0.5517=0.4483 approx. thats 44.8% probability.
Answer:
Measure of angle θ = 38.7°
Step-by-step explanation:
In the figure attached,
Given triangle has the measure of two legs = 5 units and 4 units
Measure of one angle = θ
By applying tangent rule in the given triangle,
tanθ =
=
= 0.8
θ =
θ = 38.66
≈ 38.7°
Therefore, measure of angle θ is 38.7°.