Hicro Children in a class are asked about the animals they own.
Between them, they only have cats, dogs, rabbits and hamsters.
The pictogram shows information about the numbers of cats, dogs and rabbits
owned by members of the class.
A total of 33 animals are kept as pets. Complete the pictogram.

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:

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.