Marque V ou F e assinale a opção correta:* 1 ponto



a) V, V, V, V.

b) F, V , V, V.

c) F, V, F ,V.

d) V, V, F, V

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d

step-by-step explanation:

∠cbe and ∠deb are same-side interior angles.

i took the test

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: