Razonamiento 3 Escribe E o E, según corresponda. a. -25 - b. 34. Z C. -67 Z+ e. -46 Z g. -15Z- d. 58 Z- f. 31 h. 72

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

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:

inverse property is the answer

step-by-step explanation: