HELP ME Question
Use the mapping to determine which of the following are elements of the domain.

Need the map to know the answer the photo of it is up there if you want a better view of it.

110
130
24.0
140
20.6
18.9

110, 130, 140

Step-by-step explanation:

The x-values are the elements of the domain.

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: