Part B Select the correct choices to complete the sentence.
Complete the following to explain why f(2)+f(3)≠f(5).

f(2)+f(3)= (Select Choice) (10 or 25)
The value of f(5) is (Select Choice) (5 or 13)
Because these two values are not equal, we know that f(2)+f(3)≠f(5).

(Lesson 4-4)

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step-by-step explanation:

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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