if eight years are subtracted from the present age of Jessica and three is added to the remaining number and Olivia‘s age can be found. If Olivia is two years older than Daniel who is seven years old and what is Jessica‘s present age

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:

20

step-by-step explanation:

assuming you meant there are 24 pounds of apples in each case, if this is not what you meant, correct me so i can you further

-1/4 > -1 2/3. -1/4 is greater than -1 2/3 because it is closer to 0 on the number line.